"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.
Answer this one: Which is the most common bacterial STD?
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.
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.
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.
When your sleep is upset throughout the night, you can be very sleepy during the day. Maybe you have sleep apnea.
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.
Why is sleep important? See how much you know about snoozing by taking this quiz.
Smallpox was once found throughout the world, causing illness and death wherever it occurred.
The health consequences of using smokeless tobacco include increased heart rate, high blood pressure, irregular heartbeat, and mouth sores.
Do you know the health risks of smoking? Avoiding them can help you have a healthy pregnancy and baby.
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.
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.
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.
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.
Sprain? Strain? The terms for these injuries sound so similar, what's the difference? Find out by taking this 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.
Answer this one: If you have a streptococcal infection, what is a good way to prevent its spread?
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 is the third-leading cause of death in this country and a leading cause of disability.
True or false: There's no way of predicting if or when someone will have a stroke.
True or false: Stuttering affects four times as many males as females.
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.
Water workouts are easier on joints because of water's buoyancy. By how much does water reduce the body's weight?
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.
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.
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?
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, 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.
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.