Health Encyclopedia

Interactive Tools

Acne Quiz

Learn about acne with this multiple-choice quiz. You'll learn, for example, which factors promote blackheads.


Activity Quiz

Ready to start exercising, but don't know where to start? This quiz from the AARP can get you off on the right foot.


Addiction Quiz

Addiction to drugs or alcohol can happen to anyone of any age, social status, race, or income level. Find out more by taking this quiz.


ADHD Quiz

Attention deficit hyperactivity disorder (ADHD) is a common childhood disorder, affecting more than 4 million kids.


Adult Immunizations Quiz

True or false: Polio vaccines should be kept up-to-date throughout your lifetime.


Advance Directive Quiz

How important is it to draw up a living will? Take this quiz and find out.


Age-Related Macular Degeneration Quiz

Millions of Americans are affected by age-related macular degeneration, a disease that damages the eye's central vision. To learn more about macular degeneration, take this quiz.


Alcohol Abuse Quiz

Misuse of alcohol can lead to serious consequences. Learn more about the effects of abusing alcohol by taking this quiz.


Allergies Quiz

Allergies are nothing to sneeze at. Learn how to better deal with this condition.


Alternative and Complementary Medicine Quiz

Many people swear by alternative and complementary therapies. Find out more about these treatments by taking this quiz.


Alternative Arthritis Treatment Quiz

True or false: Meditation appears to benefit the immune system and may affect the nervous and vascular systems, which in turn affect joint health.


Altitude Sickness Quiz

Gazing down on the spectacular view from a mountaintop can take your breath away. That breathlessness is oftentimes more than just an awestruck reaction to the sights. It can be a symptom of altitude sickness, an illness that can strike hikers, mountain climbers, skiers and anyone who hits the 8,000-foot mark on a mountain.


Alzheimer's Disease Quiz

Find out more about this degenerative disease of the brain by taking this quiz.


Anemia Quiz

Answer this one: What is the most common cause of anemia?


Anthrax Quiz

Anthrax is a serious disease that can affect the skin, lungs, and digestive tract. Learn more about this disease by taking the following quiz.


Antibiotics Quiz

Antibiotics have been called "wonder drugs," because of their ability to treat bacterial infections that were once deadly. Antibiotics have saved countless lives since they were first introduced 60 years ago. But over use of these drugs has allowed some bacteria to become resistant to them.


Aplastic Anemia Quiz

Aplastic anemia is a rare blood disorder that affects the growth of blood cells. "Aplastic" means "lack of growth."


Appendix Quiz

The human appendix is a 3- to 6-inch narrow tube located where the small and large intestines join. It's mostly known for becoming inflamed, affecting thousands of Americans each year. To learn more about the appendix, take this quiz.


Arthritis Quiz

True or False: Arthritis affects only the wrist, ankle, and knee joints.


Aspirin Quiz

Each year, more than a million Americans die of heart attacks and other forms of heart disease. Low-dose aspirin therapy is one weapon in the arsenal against heart disease that also includes healthy dieting, adequate exercise, and not smoking. Learn more about aspirin's role in combating heart disease by taking this quiz


Asthma Awareness Quiz

Assess your knowledge of the asthma basics with this quiz.


Asthma Knowledge Quiz

Do you know tobacco smoke's effect on asthma? What about asthma's effect on pregnancy? Find out the answers to these and other questions by taking this quiz.


Asthma Quiz

Are you a parent of a child with asthma? Take this quiz and stop feeling guilty.


Athlete's Foot Quiz

The itching caused by athlete's foot can be intense. Named for the active people who seem most prone to this condition, athlete's foot can affect even couch potatoes. Find out more by taking this multiple-choice quiz.


Atopic Dermatitis Quiz

Atopic dermatitis is a chronic, inherited skin condition that affects millions of Americans. The following quiz offers helpful facts about the condition.


Autism Quiz

Autism is a developmental disability that usually starts in early childhood. Because different children can have widely different symptoms, autism is classified as a "spectrum disorder," which means it is a group of disorders with similar features.


Autoimmune Diseases Quiz

Test your knowledge of these serious—and mysterious—class of diseases.


Back Care Quiz

Back pain is a common complaint, but how serious is it? Take this quiz and see how much you know about back care.


Back Pain Quiz

Answer this one: What position is best for your back when you sleep?


Balance Disorders Quiz

Although millions of Americans have balanced disorders, they can be difficult to diagnose. That's because dizziness--a common symptom--is such a broad term.


Birth Defects Quiz

Here's a tough one: When is an unborn baby most at risk of developing abnormalities?


Blood Count Quiz

The last time you visited your doctor for an illness, he or she might have ordered a CBC test to help determine the diagnosis. CBC stands for complete blood count, but what does that mean? And what do all those numbers on the result sheet mean? Find out by taking this quiz.


Blood Pressure Quiz

Do you know your risk factors for high blood pressure? You can’t do anything about some risk factors. But other risk factors can be changed. Learn about the risk factors for high blood pressure by taking this quiz.


Blood Transfusion Quiz

Every year, millions of Americans roll up their sleeves to donate blood, helping accident victims, surgical patient and others in need. How much do you know about blood transfusions? Take this multiple-choice test and find out.


Botulism Quiz

Botulism is rare, but extremely dangerous. This quiz will help you learn how to make sure the food you eat is safe.


Breast Cancer Quiz

True or false: Fifty percent of the lumps women find when checking their breasts aren't cancerous.


Breastfeeding Quiz

Breastfeeding is filled with benefits to your child and you. Do you know what they are?


Bruxism Quiz

Are you clenching your teeth and don't even know it? Find out about bruxism by taking this quiz.


Bunions, Corns and Hammertoes Quiz

Did you know that untreated bunions may lead to arthritis? Take this quiz and find out how to take care of your feet.


Burns Quiz

Burns can occur anytime of year, but the summertime can hold special hazards because many of us are outdoors doing yard work, grilling or boating. More than a million burn injuries occur each year, Introduction: What Do You Know About Burns?


Caffeine Quiz

Is there a link between heavy caffeine consumption and osteoporosis? Find out when you take this quiz.


Calcium Quiz

True or false: If you don't get enough calcium in your diet, your body will take the calcium it needs from your bones.


Cancer Warning Signs Quiz

Any sudden or progressive change in a mole's appearance could be an indication of skin cancer.


Car Safety Quiz

True or false: If someone is following your car too closely, you should gently tap your brakes as a warning.


Cat Scratch Disease Quiz

There are millions of pet cats in the United States. Three households in 10 own at least one cat. Sometimes, however, cats can cause an illness called cat scratch disease. Find out more about this illness by taking this true-false quiz.


Cataracts Quiz

Cataracts are a common eye problem among older adults.


Celiac Disease Quiz

Celiac disease is a digestive disease that can affect children and adults alike. Also known as celiac sprue ("sprue" means you can't absorb nutrients from food), this disease is the most common genetic disease in Europe and is considered significantly underdiagnosed in the United States. Learn more about the disease by taking this quiz.


Cervical Cancer Quiz

Death rates from cervical cancer are dropping, because more women are being screened. To learn more about cervical cancer and prevention, take this quiz.


Child Development Quiz

Answer this one: When riding in a motor vehicle, how tall should a child be to sit in a regular seat and use an adult seat belt instead of a being strapped into a car safety seat or booster seat?


Childhood Asthma Quiz

Asthma is a disease that affects the lungs. It is the most common long-term disease of children. Test your knowledge of living with asthma with this quiz.


Chlamydia Quiz

Answer this one: The STD chlamydia is a bacterium that is transmitted through intimate physical contact. What's the most common means of transmission?


Cholesterol Quiz

An excess of cholesterol can build up in the arteries, narrowing them and slowing or blocking blood flow to the heart. Take this quiz to learn more about cholesterol and its role in your health.


'Choose My Plate' Quiz

How many cups of vegetables should you eat each day? How about milk? Meat? The My Plate eating plan can help you find out.


Chronic Fatigue Syndrome Quiz

We all get tired. Many of us have felt depressed at times. But the mystery known as chronic fatigue syndrome is not like the normal ups and downs we experience in everyday life.


Colorectal Cancer: Test Your Knowledge

True or false: Colorectal cancer—cancer of the colon or rectum—is the second leading cause of cancer death in the United States.


Common Cold Quiz

True or false: More than 200 viruses cause colds.


Constipation Quiz

Find out more about constipation by taking this quiz.


Contraception Quiz

About half of all pregnancies are unplanned, says the American College of Obstetricians and Gynecologists. But women today have many safe and reliable options to choose from if they want to prevent pregnancy. Test your knowledge of contraception by taking this quiz.


COPD Quiz

Smoking is the main cause of chronic obstructive pulmonary disease (COPD), a serious, debilitating and often fatal illness. Take this quiz to find out more about COPD and how to prevent it.


Coronary Artery Disease and Angioplasty Quiz

Atherosclerosis, or coronary artery disease (CAD), plays a major role in the leading cause of death in this country: heart attack. Learn more about this disease and a common procedure used to treat it.


CPR and Defibrillator Quiz

Sudden cardiac death is the leading cause of death in adults in the United States. Knowing CPR may help you save someone's life. Learn more about CPR by taking this quiz.


Creutzfeldt-Jakob Disease Quiz

Thirty years ago, few people had heard of Creutzfeldt-Jakob disease (CJD). Today, it has made the news, mostly from its possible association with "mad cow disease." To help make sense of this puzzling disease, take this quiz.


Crime and Older Adults Quiz

What do you know about crime against the elderly, and how to prevent it?


Cycling Quiz

You’ve been vowing to get more exercise, so why not pump up the tires and head out on your bike? Better yet, get the family out with you, and everyone benefits.


Cystic Fibrosis Quiz

Cystic fibrosis (CF) is an inherited, often fatal disease of the body's mucus glands. It affects about 30,000 children and young adults in the United States, most of them descendants of people from northern Europe. Find out more about CF by taking this quiz.


Depression Quiz

Answer this one: Depression peaks at certain life stages. People in which group are likely to experience it most often?


Diabetes Quiz

More than 18 million Americans have been diagnosed with diabetes and more than 5 million more have diabetes but don't realize it, according to the CDC. Yet diabetes is the sixth leading cause of death in the United States.


Diabetes: Test Your Knowledge

If you have diabetes, keeping your condition under control early on will help you avoid complications that may come up later. This multiple-choice quiz will help you with important answers now.


Diabetic Peripheral Neuropathy Quiz

Peripheral neuropathy is a term that refers to temporary or permanent damage to the peripheral nerves – the nerves that carry information to and from the brain and spinal cord to the rest of the body. This damage is one of the most common complications of diabetes.


Dialysis Quiz

The kidney's main job is to get rid of excess fluid and waste material in your blood. A person with kidney failure needs dialysis or a kidney transplant to survive. Learn more about dialysis by taking this quiz.


Diarrhea Quiz

Anyone can get diarrhea. In fact, the typical American adult experiences diarrhea about 4 times a year. Most cases of diarrhea last a day or 2 and need no treatment. Find out more about this common digestive problem by taking this quiz.


Diet Quiz

At any given time, millions of people in the U.S. are trying to lose weight. They spend billions of dollars each year on weight-loss products and services. Learn more about diets and weight loss by taking this quiz.


Dietary Fiber Quiz

You hear a lot about fiber and why you need it. But what is it? Learn more about this important part of your diet by taking this quiz.


Dietary Guidelines Quiz

Find out how much you know about the newest dietary guidelines and how they differ from the old food pyramid.


Dietary Supplement Quiz

Many Americans take vitamins, minerals, or other dietary supplements every day without knowing enough to ensure optimum results.


Digestive System Quiz

What happens to that cheeseburger and fries you had for lunch? During the digestive process, food is converted into energy that's used by your body. Take this quiz to see how much you know about how digestion works.


Disease Prevention Quiz

Answer this one: Which is the most important hygiene habit to teach young children? Learn the answer to this and other prevention questions by taking this multiple choice quiz.


Doctor-Patient Communication Quiz

Your doctor can't give you the best care if you don't say what's really going on. This true-false quiz will help you prepare for your next visit.


Drinking Water Quiz

When you're thirsty for a drink of water, you probably turn on the tap, or open a container of bottled water. You may take for granted the quality of the water you drink. but water safety can vary from place to place. Find out more about drinking water by taking this quiz, based on information from the U.S. Environmental Protection Agency.


Drug Abuse Quiz

Drug abuse and addiction can break apart families, ruin personal relationships, and make it difficult to keep a job.


Drug Interaction Quiz

True or false: A drug-alcohol interaction can lead to extreme drowsiness and other effects. Do you know the answer to this and other questions about drug interaction?


Drugs and Pregnancy Quiz

During pregnancy, is it OK to take an aspirin for that headache or a sleeping pill when you’re tossing and turning at night? Take this quiz to get the answers on different types of drugs and if they may have harmful effects on your unborn child.


E. Coli Illness Quiz

As a source of foodborne illness, E. coli bacteria can be deadly. But aren't E. coli also regular residents of our intestines? When do E. coli become the "bad guys"? To learn more about this common bacterium, take the following quiz.


Ear Infection Quiz

Infections of the middle ear, called otitis media, seem to be a common badge of childhood. Seventy-five percent of children experience at least one episode of otitis media by their birthday. How much do you know about this illness?


Ear, Nose, and Throat Quiz

Ear, nose, and throat problems affect both children and adults. Knowing how to prevent them and how to treat them if they occur can help you stay healthy. See what you know about the ears, nose, and throat by taking this true-false quiz.


Eating Disorders Quiz

Many of us turn to dieting to shed a few extra pounds, but for some people, dieting becomes an obsession that turns into an eating disorder. This quiz provides helpful information on eating disorders.


Emphysema Quiz

The main symptom of emphysema is shortness of breath, which is caused by permanent damage to the small air sacs and small airways in the lungs.


Erectile Dysfunction Quiz

Learn more about impotence by taking this multiple-choice quiz.


Eye Quiz

Don't sit too close to the TV. Don't watch TV without a light on in the room. Don't use over-the-counter eyedrops. Are these statements true? Find out by taking the following quiz.


Eyesight Quiz

Which habits can harm your vision? Learn about them by taking this quiz.


Fats in Foods Quiz

How much do you really know about those fat globules lurking in your food? Take this quiz and find out.


Fats Quiz

Fats are important to your diet, as are carbohydrates and proteins. Certain types of fats are better for you than others and eating too much of any kind of fat can pack on the pounds.


Fever Quiz

What do you know about fever? Find out what causes fever and how it's treated.


Fiber Quiz

How much fiber should you consume? Is there more than one kind of fiber? What foods contain fiber? Test your knowledge about fiber by taking the Fiber Quiz.


Fibromyalgia Quiz

Fibromyalgia affects millions of Americans, according to the American College of Rheumatology. Women of childbearing age are most likely to suffer from fibromyalgia, but it can affect men and children, as well.


Fire Prevention Quiz

True or false: What percentage of people have a fire escape plan for their home? Learn the answers to important fire prevention questions by taking this quiz.


First Aid/Emergency Quiz

Answer this one: In which situation(s) should you call an ambulance instead of driving to the hospital emergency department?


Flu Quiz

Take a look at the influenza virus under a microscope, and you'll see a funny-looking spiked ball. But if you've ever been flat on your back with the flu, you know there's nothing funny about this highly contagious virus. Test your savvy by taking this quiz.


Food Allergy Quiz

Do you or does someone in your family have a food allergy? Take this quiz and learn how to better cope with this condition.


Food Poisoning Quiz

True or false: Perishable foods should not be left at room temperature longer than two hours.


Food Quiz

Answer this one: Which ethnic food offers healthy, low-fat choices?


Food Safety Quiz

Each year, millions of Americans become ill from foodborne illnesses and thousands die. To help prevent foodborne illness, you can take steps to ensure the safety of the food you eat. To learn more about food safety, take this quiz.


Foot Health Quiz

Most people would agree that it's no small problem when their feet ache. Yet foot problems and chronic pain often go ignored. Learning about foot care can help you recognize when to see a doctor for treatment.


Genital Herpes Quiz

Answer this one: Besides the genital area and the mouth, where else can HSV sores occasionally appear?


Germs Quiz

Germs: We find them everywhere— or they find us. It seems we can't avoid them. We spend a lot of time worrying about picking them up, sharing them, and losing them. But what do we really know about germs? Take this quiz to find out.


Glaucoma Quiz

Answer this one: In most forms of glaucoma, what damages the optic nerve?


Gout Quiz

True or false: Men are more likely than women to contract gout?


Growth Plate Quiz

True or false: The growth plate most often fractured is in the ankle? Learn the answers to important questions about the growth plate by taking this quiz.


Halloween Safety Quiz

Halloween can be full of fun and excitement for youngsters, but it’s also a time for trick-or-treaters to be careful. Take this quiz to learn more about this popular holiday and how to make sure your family’s celebration is safe this year.


Hantavirus Quiz

First identified in the early 1990s in the desert Southwest, the hantavirus has been reported in more than 30 states. Learn more about the virus and hantavirus pulmonary syndrome by taking this quiz.


Hazardous Materials in the Home Quiz

Bleach, ant killer, and gasoline are poisons commonly found in the home. But plenty of other toxic or hazardous chemicals fill our shelves and cupboards, and some of them may surprise you. Hairspray, for instance, is highly flammable. Learn more about these chemicals by taking this quiz.


Head Lice Quiz

True or false: Head lice travel from one person's head to another's by jumping. Check out this and other answers to true-false questions about head lice.


Headaches Quiz

When you get a headache, it's not the bones of the skull or the brain itself that's hurting. The pain comes from pain-sensitive nerves located near the muscles and blood vessels of the face, neck and scalp. Find out more about headaches by taking this quiz.


Healthy Pregnancy Quiz

Test your knowledge of which behaviors are most helpful and harmful to your developing baby.


Healthy Snacks Quiz

Don’t feel guilty about snacking! Eating small, frequent meals can help you control your weight and stay fueled throughout the day. Just make sure your snacks—and those you serve your kids—are nutritious.


Healthy Teeth Quiz

True or false: Brushing your teeth with an up-and-down or side-to-side motion cleans your teeth most effectively.


Hearing Quiz

Our world is filled with devices that make sound. But when someone is exposed to harmful sounds, the inner ear can be damaged.


Heart Disease Prevention Quiz

Answer this one: Why is lack of regular exercise a major risk factor for heart disease?


Heart Disease Risk Quiz

Knowing what causes heart disease and how you can prevent it can help you live a healthier, longer life.


Heart Health Quiz

Heart-attack deaths have fallen 60 percent in four decades. Still, millions of Americans suffer from cardiovascular diseases linked with heart attacks and strokes.


Heart Quiz for Women Only

As a woman, do you know what your risk is for developing heart disease? You might be surprised. Take this quiz, based on information from the American Heart Association, and see how much you know about heart disease in women.


Heat Stroke Quiz

True or false: Heat-related illness is only a concern if the temperature reaches 100 degrees F.


Hemoglobin A1c Quiz

If you have diabetes, you should know about the importance of hemoglobin A1c. Test your knowledge of hemoglobin A1c by taking this quiz.


Hepatitis Quiz

Viral hepatitis comes in several forms, and all of them can make you very sick. Some forms of the virus can be eliminated from the body, but other forms remain for a lifetime. Take this quiz to test your knowledge of hepatitis.


Herb and Spice Quiz

True or false: When I use herbs and spices, I don’t need to worry about following strict rules about combining certain herbs and spices with certain foods.


HIV/AIDS and Seniors Quiz

Twenty-five percent of all people in the United States with AIDS are age 50 or older. Find out more about AIDS and older adults by taking this quiz.


HIV/AIDS Quiz

More than 1.1 million Americans are infected with HIV, the virus that causes AIDS. Find out more about HIV and AIDS by taking this quiz.


Holiday Sweets and Treats Quiz

If you want to eat healthy, is it necessary to cut out all those tempting treats and snacks? Take this quiz to find out.


Household Poisons Quiz

Hair spray, antifreeze, house paint. These and other common items found in any home are useful products when used correctly. In the wrong hands, however, they can be deadly.


How Much Do You Know About Anemia?

Anemia is a condition in which the body doesn’t have enough healthy red blood cells.


Huntington's Disease Quiz

It has been more than 40 years since singer/songwriter Woody Guthrie died of Huntington's Disease. He had been misdiagnosed for years—he'd even been labeled an alcoholic. Since that time, much as been learned about HD.


Hypothermia Quiz

True or false: Shivering is one way the body produces heat.


Immunization Quiz

We can fight off an infectious disease in one of two ways, by catching and surviving the disease or by getting a vaccine, which prevents us from catching it.


Impotence Quiz

Find out how much you know about the causes and treatment of impotence.


Infant Immunization Quiz

A pregnant woman passes antibodies to her unborn baby through the placenta to protect against certain diseases. How long does this natural immunity last?


Inhalant Abuse Quiz

A surprisingly large number of American teenagers experiment with intoxicating inhalants, resulting in an untold number of deaths. Find out more about inhalant abuse by taking this quiz.


International Travel Quiz

Answer this one: How far in advance of your overseas trip should you visit your doctor for vaccinations?


Juvenile Arthritis Quiz

Arthritis is usually thought of as a disease that occurs later in life, but one child in every thousand develops a juvenile form of this illness. Take this quiz to learn more.


Kidney Health Quiz

Answer this one: How much blood do your kidneys filter daily?


Kidney Stones Quiz

Kidney stones are one of the most common problems of the urinary tract—and one of the most painful disorders, period. How much do you know about kidney stones? Try your hand at the following quiz.


Kids' Healthy Snacks Quiz

Is your snack bowl ready for Halloween? Before you fill it with marshmallow candy and chocolate bars, give a thought to good nutrition. It's possible to offer tasty but more nutritious treats this year.


Knee Care Quiz

Learning how to prevent knee injuries and treating them if they occur can help you stay active at work and play.


Late-Life Depression Quiz

Older adults often suffer from depression needlessly because they fail to recognize its signs or are reluctant to talk with their doctor about it.


Lead Safety Quiz

True or false: The most serious effects of lead exposure in children are vomiting and weight loss? Learn the answer by taking the Lead Safety Quiz.


Leukemia Quiz

Leukemia is a cancer of the bone marrow and blood. It is characterized by the uncontrolled production of blood cells.


Leukemia Quiz II

Leukemia is a cancer of the blood. A person with leukemia produces abnormal white blood cells that grow out of control and crowd out the normal blood cells.


Lips Quiz

Lips are for ... talking and smooching and eating. Yes, they're important, but do you know how to take good care of your lips? Take this quiz to find out.


Longevity Quiz

Americans are living longer than ever; by the middle of this century 600,000 of us will be centenarians. If you want to live longer and stay healthy longer, take this quiz from the Mayo Clinic to see how much you know.


Long-Term Care Planning Quiz

People who need long-term care include those with a chronic illness or a physical handicap.


Low Blood Pressure Quiz

True or false: Antidepressants may cause low blood pressure?


Lupus Quiz

Lupus is an autoimmune disorder that can range from mild to severe. It affects more than 1 million Americans, most of whom are women. Find out more about this autoimmune disease by taking the following quiz.


Male Pattern Baldness

Some men cope with their inevitable loss of hair by wearing a cap most of the time. Some don an artificial hairpiece to cover their loss. Still others shave their whole head. There's more to know about baldness than toupees, though. Learn more by taking this quiz.


Mammogram Quiz

Answer this one: Although mammograms can identify tumors at a very early stage, the tumors may have been growing for how long by the time they show up on the X-ray?


Marijuana Quiz

Knowing about marijuana can help you recognize its use in others, so you can encourage them to seek treatment. Marijuana contains the flowers, stems, seeds, and leaves of the hemp plant Cannabis sativa. To learn more about marijuana, take this quiz.


Medication Safety Quiz

Learn how to better manage your medications by taking this quiz.


Melanoma Quiz

Melanoma is a type of skin cancer. What increases your risk? What can you do to prevent it?


Memory Quiz

To keep your memory sharp, it's helpful to understand factors that affect memory for better or for worse.


Meningitis Quiz

Meningitis is an infection of the membranes that surround the brain and spinal cord. Both viruses and bacteria cause meningitis. Bacterial meningitis can be life-threatening; viral meningitis seldom is. Learn more about bacterial meningitis through this quiz.


Menopause Quiz

Answer this one: A woman is considered to have begun menopause after she has missed how many menstrual cycles?


Mercury in Fish Quiz

Answer this one: Mercury in its elemental form is relatively nontoxic. In the environment, however, the elemental form of mercury is transformed into an organic form, which is easily absorbed by living things. This organic form, which builds up in the body, is called what?


Migraine Headaches Quiz

Many households in the United States have someone who suffers from migraine headaches. Take this quiz to test your knowledge of migraines.


Miracle Diet Quiz

Dieting is temporary when it comes to losing weight. To keep weight off you actually have to change your lifestyle. Why is it so hard? For one thing, we may not know as much as we think. Take our quiz to test your knowledge.


Mold Allergy Quiz

Molds are microscopic fungi that live on plant and animal matter. They're everywhere in our environment. Learn about mold allergy by taking this multiple-choice quiz.


Multiple Births Quiz

Today, more women than ever before are giving birth to multiples. What explains the increase in through the past decade? Take this quiz to find out.


Multiple Sclerosis Quiz

Multiple sclerosis is a disease of the central nervous system, the brain and spinal cord. Its symptoms can range from benign to severe. Find out more about this mysterious illness by taking this quiz.


Nervous System Quiz

The nervous system is responsible for our thoughts, our emotions and our movements. The brain, nerves and spinal cord are all members of this important process. How much do you know about the nervous system? Do you know what happens when the system malfunctions? Find out by taking this multiple-choice quiz.


New Year's Quiz

Happy New Year! It’s time to look ahead to the next 12 months and see what you can do to maintain or improve your health. Do you need to lose weight? Quit smoking? Start exercising?


Nicotine Quiz

Nicotine, one of the main chemicals in tobacco, is the primary reason that smoking is so addictive. Even though most smokers know that smoking is bad for them, they find it difficult to quit because of the nicotine's effect.


Nicotine-Replacement Therapy Quiz

Here is the latest information about nicotine replacements, inhaler therapy, and other aids that can help you stop smoking.


Night Shift Quiz

If you work the night shift, you face unique health and productivity challenges. Many night workers have difficulty falling asleep during the day and staying awake at night.


Non-Hodgkin Lymphoma Quiz

Lymphomas are a type of cancer that affects the lymphatic system. Learn more about non-Hodgkin lymphoma (NHL) by taking this true-false quiz.


Nutrition and Cancer Quiz

True or false: Studies suggest that people who consume lots of antioxidants (vitamin C, vitamin A, and carotenoids) from food sources have a lower cancer risk.


Nutrition Quiz for Seniors

Eating a healthy diet is essential for people of every age. But as you age, doing so is especially important. To assess how much you know about good nutrition, take this quiz.


Obesity Basics: What Is It? How Is It Treated?

There is an epidemic of obesity in this country, health experts say. But what is obesity? How is it measured?


Older, Wiser, Wider?

Getting older doesn't have to mean getting wider, the experts say. The first step in the fight against flab is knowing your opponent. Take the following quiz to find out how well armed you are.


Organic Foods Quiz

Organic ingredients are grown and processed without artificial additives and used in a wide variety of products. Find out more about organic foods by taking this quiz.


Osteoarthritis Quiz

Learn more about osteoarthritis, the most common type of arthritis, by taking this quiz.


Osteoporosis Quiz

Osteoporosis is a disease that thins and weakens a person's bones, making them less dense and more fragile.


OTC Pain Reliever Quiz

True or false: If the regular dose of OTC pain reliever doesn't relieve your pain, it's safe to take more.


Overactive Bladder Quiz

Overactive bladder is a major health problem that can have a seriously debilitating effect on nearly every part of daily living. It can cause isolation, depression, guilt, denial, fatigue from sleeplessness, work absenteeism, and problems with relationships.


Over-the-Counter Medication Quiz

Just because a drug is available without a prescription doesn't mean it's safe to take. Take this quiz and learn the ins and outs of OTC medicines.


Paget's Disease Quiz

Paget's disease is an illness of the bones, usually causing them to become enlarged and deformed. Worldwide, it is the second most common bone disease, after osteoporosis. It is named after Sir James Paget, who first diagnosed the disease in 1877. Learn more about Paget's disease by taking this quiz.


Pain Quiz

What's the most sensitive part of your body? Are women less sensitive to pain than men? Does everyone feel pain? Get answers to these and other questions by taking the pain quiz.


Parkinson's Disease Quiz

This illness has existed for thousands of years. Learn more about Parkinson's disease by taking this quiz.


Pet Diseases Quiz

Dogs and cats and birds and hamsters. Snakes and guinea pigs and turtles. The family pet can be a source of joy and companionship, no matter what kind of animal it is. Sometimes, however, your favorite animal can be a source of illness. Learn more about pets and disease by taking this multiple-choice quiz.


Pinworms Quiz

Where are pinworms primarily found in the body? Get the answer to this and other questions concerning pinworms when you complete the multiple choice quiz.


PMS Quiz

Answer this one: How many symptoms have been tied to PMS? If you guessed more than 100, you're right.


Pneumonia Vaccine Quiz

Bacterial pneumonia kills thousands of older Americans each year. Yet there is a vaccine that offers protection against this deadly illness. How much do you know about pneumonia and the vaccine?


Poison Ivy Quiz

It's fun to take a hike through the woods: listening for songbirds, looking at wildflowers, spying the occasional chipmunk. You also need to keep an eye out for the bane of hikers—poison ivy. Find out how much you know about this annoying plant by taking this true-false quiz.


Poison Prevention Quiz

Sixty percent of all poisonings occur to children under age 6. Poisons can be solids, liquids, sprays, or gases. Learn more about accidental poisonings by taking this quiz.


Poisonous Houseplants Quiz

Houseplants help keep your indoor air clean, make a dramatic statement in your interior design, and provide a sense of well-being around the house. But some plants can poison children or pets.


Prediabetes Quiz

Take this quiz to find out how to decrease your risk of developing diabetes.


Prescription Drug Abuse Quiz

Prescription medications can successfully and safely treat mental and physical illnesses. But some medications can be addictive and many can be abused. Being aware of these potential harms can help you prevent them.


Prescription Drugs Quiz

Prescription drugs can work wonders when they are taken as they should be. But what happens when you miss a dose? Or when you want to take an over-the-counter medication along with your prescription? See if you know the answers to these and other questions by taking this quiz.


Prostate Health Quiz

This true/false quiz will help you build your knowledge of steps you can take to prevent prostate cancer.


Psoriasis Quiz

Psoriasis is a chronic skin disease that affects millions of Americans. Although it can affect people of any age, it occurs mostly in young adults. Find out more about this disease by taking this quiz, based on information from the National Institute of Arthritis and Musculoskeletal Diseases, the American Academy of Dermatology, and the National Psoriasis Foundation.


Quitting Smoking Quiz

No matter what your age, or how long you have smoked, giving up cigarettes is the ticket to a longer life. Find out more about the benefits of quitting by taking this quiz.


Rabies Quiz

The vast majority of rabies cases reported to the CDC each year occur in wild animals like raccoons, skunks, bats, and foxes.


Radon Gas Quiz

Radon is a gas that you can't see or smell, but is present in nearly all the air around us. Everyone breathes in radon every day, usually at low levels. People who inhale high levels of radon are at increased risk for developing lung cancer. Radon is a problem in homes in which higher concentrations collect. Find out more about radon by taking this quiz.


Raynaud's Phenomenon Quiz

True or false: If you have Raynaud's phenomenon, you will know it because of the pain or tingling in your fingers and toes.


Repetitive-Stress Injuries Quiz

Repetitive-stress injuries (RSIs) can be painful and debilitating, causing damage to tendons, ligaments, nerves, and muscles over time. Also called repetitive motion syndromes, RSIs can affect almost any part of the body. Test your knowledge of RSIs by taking this multiple-choice quiz.


Reproductive Cancers Quiz

Cancer can strike any part of the reproductive system, but research has led to better diagnoses, treatments, and a lower chance of death for many of these cancers.


Reye's Syndrome Quiz

Answer this one: Which part of the body is affected the most by Reye's syndrome? Learn about Reye's syndrome by taking this quiz.


Rheumatoid Arthritis Quiz

Rheumatoid arthritis is a disease that causes pain, swelling, and destruction of the joints.


Rosacea Quiz

Approximately 14 million people in the United States have rosacea. It most often affects adults between the ages of 30 and 60. Rosacea is more common in women, but more severe in men. Find out more about rosacea by taking this quiz.


Scoliosis Quiz

True or false: In most cases of scoliosis, doctors cannot determine the cause.


Seasonal Affective Disorder Quiz

If you notice periods of depression that seem to accompany seasonal changes during the year, you may suffer from seasonal affective disorder (SAD).


Seasonal Allergy Quiz

As the blooms and blossoms of spring spill out across gardens and yards, pollens and mold spores are also on the move. For people with seasonal allergies, spring can be a time of sniffles and sneezes. Find out more about seasonal allergies by taking this quiz.


Seizure Quiz

A seizure is an uncontrolled electrical discharge from brain cells that causes mental or physical symptoms. Epilepsy is a group of chronic conditions in which a person has unprovoked recurring seizures. Find out more about epilepsy and seizures by taking this quiz.


Senior Fitness Quiz

You don't have to be reminded about the aging process. It's inevitable. But just because you're over 50 doesn't mean you can't be fit. Learn more about senior fitness by taking this quiz.


Senior Oral Health Quiz

"Pack up your troubles in your old kit-bag," the old song goes, "and smile, smile, smile." But older adults may not be ready to offer a toothy grin if they don't get regular dental checkups. Your teeth are important, no matter what your age. Find out how much you know about teeth by taking this quiz.


Sexually Transmitted Disease Quiz

Answer this one: Which is the most common bacterial STD?


Shingles Quiz

The first sign of shingles is often burning or tingling pain, or sometimes numbness, in or under the skin. You may also feel ill with fever, chills, headache, or upset stomach.


Shoulder Quiz

A dislocation and a torn rotator cuff are just two things that can go wrong with the shoulder. Can you think of others? Find out how much you know about shoulders by taking this quiz, based on information from the National Institute of Arthritis and Musculoskeletal and Skin Diseases.


Sickle Cell Disease Quiz

Red blood cells are usually doughnut-shaped. In a person with sickle cell anemia, the red blood cells are shaped like a C--like a sickle.


Sleep Apnea Quiz

When your sleep is upset throughout the night, you can be very sleepy during the day. Maybe you have sleep apnea.


Sleep Quiz

A good night's sleep—everyone needs it, but not everyone gets it. We stay up late and get up early, and then wonder why we always feel tired. Why is sleep important? See how much you know about snoozing by taking this quiz.


Sleep: Test Your Knowledge

Why is sleep important? See how much you know about snoozing by taking this quiz.


Smallpox Quiz

Smallpox was once found throughout the world, causing illness and death wherever it occurred.


Smokeless Tobacco Quiz

The health consequences of using smokeless tobacco include increased heart rate, high blood pressure, irregular heartbeat, and mouth sores.


Smoking and Pregnancy Quiz

Do you know the health risks of smoking? Avoiding them can help you have a healthy pregnancy and baby.


Snakebite Quiz

They fascinate. They repel. Some pose a danger. Most are harmless. And whether they are seen as scary creatures or colorful curiosities, snakes play important environmental roles in the fragile ecosystems of the nation's wildlife areas.


Snow Sports Safety Quiz

Each year, thousands of skiers and snowboard enthusiasts are injured, some seriously. Learn more about snow sports injuries and how to prevent them by taking this quiz.


Spine Health Quiz

Back pain is one of the most common nerve-related illnesses in the United States. Keeping your spine in good health is one way to avoid back pain. Learn more about your spine and back pain by taking this quiz.


Sports Eye Safety Quiz

You have your kneepads and your helmet. Or your faceguard and your gloves. Before you walk onto the playing field, don’t forget to protect your eyes.


Sprains and Strains Quiz

Sprain? Strain? The terms for these injuries sound so similar, what's the difference? Find out by taking this quiz.


Stinging Insects Quiz

Picnics and barbecues and pottering in the garden are some of the delights of summer. For some people, though, these pleasant pastimes are ruined by a fear of bees and wasps and other things that sting. Should you worry? Find out by taking this true-false quiz.


Streptococcal Infections Quiz

Answer this one: If you have a streptococcal infection, what is a good way to prevent its spread?


Stress Quiz

Stress is a fact of life for most of us. Too much stress can have harmful effects on the body, mind, and emotions. Learn more about stress and its effects by taking this quiz.


Stroke Quiz

Stroke is the third-leading cause of death in this country and a leading cause of disability.


Stroke: Test Your Knowledge

True or false: There's no way of predicting if or when someone will have a stroke.


Stuttering Quiz

True or false: Stuttering affects four times as many males as females.


Summer Sun Exposure Quiz

Hot weather, clear skies, and extra leisure time in the summer mean that many people spend hours in the sun. Lengthy sun exposure can raise the risk for skin cancer if you don't take steps to protect yourself.


Swimming Quiz

Water workouts are easier on joints because of water's buoyancy. By how much does water reduce the body's weight?


Taste and Smell Quiz

Smell and taste problems can have a big impact on our lives. Because these senses contribute substantially to our enjoyment of life, our desire to eat, and be social, smell and taste disorders can be serious.


Tattoos and Body Piercing Quiz

Tattooing has been performed as a decorative practice since ancient times. It is now also being used for some cosmetic medical procedures and for permanent make-up applications.


Teen Health Quiz

Take this multiple-choice quiz to answer your questions about teen health. Example: Routine physical examinations should be done how often during the teen years?


Teen Immunization Quiz

Thanks to vaccines, most U.S. children are protected against serious diseases such as measles, mumps, diphtheria, polio, and chickenpox. But what happens to that protection in adolescence?


Tetanus Quiz

Tetanus, or lockjaw, is an infection that affects the nervous system. Most children are immunized against it, but that immunity wears off with time. Adults need a booster shot to maintain their immunity.


Thyroid Quiz

The thyroid is a gland that controls key functions of your body. Disease of the thyroid gland can affect nearly every organ in your body and harm your health.


Toilet Training Quiz

Answer this one: Which behaviors indicate that your child may be ready to learn to use the toilet? Learn the answer to this and other questions by taking this multiple choice quiz.


Tonsils and Adenoids Quiz

Answer this one: Tonsils are located on the back of the throat. Where are the adenoids located? Take the multiple choice quiz.


Trans Fat Facts and Fiction

Think all fats are alike? Think again. Take this quiz to learn about trans fats and their impact on your health.


Tuberculosis Quiz

Answer this one: How do you get TB?


Urinary Incontinence Quiz

Learning about incontinence can give you the courage and understanding needed to bring the subject up with your health care provider.


Urinary Tract Quiz

Your urinary tract includes the organs that collect and store urine and release it from your body. They are the kidneys, ureters, bladder, and urethra.


Vision Quiz

Answer this one: When should children have their first eye exam?


Vitamins Quiz

Sometimes it's hard to keep your vitamin facts straight. How much vitamin A do you need? What's the best source of Vitamin C? Here's a quiz that offers a chance to learn something different about vitamins.


Vocal Cords Quiz

Answer this one: Lawyers and teachers are particularly susceptible to vocal abuse and misuse problems.


Water Safety Quiz

Hundreds of people drown each year in the U.S., including those who die in boating accidents and in swimming pools. Summertime is a prime time for water-related injuries.


Weather and Your Health Quiz

The weather has more to do with your health than you might realize. Learn more about the weather and you by taking this quiz.


Weight-Training Safety Quiz

Many Americans are starting weight-training (or resistance-training) programs to improve their health and fitness. The following quiz can help you determine if you know enough about strength training to start a program yourself.


Weighty Questions

Answer this one: An overweight person with high blood pressure should pay more attention to a low-sodium diet than to weight reduction.


West Nile Virus Quiz

Answer this one: West Nile virus belongs to a group of viruses known as flaviviruses. How are these viruses spread?


Workplace Interruptions Quiz

Chances are, workplace interruptions are robbing you of time and the ability to concentrate on important tasks.


Wound Smarts Quiz

True or false: A wound heals most quickly when exposed to air or when you put heat on it.


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