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Diseases & Conditions

Know how to prevent, treat and control the symptoms of various diseases and medical conditions. We explain what's happening in your body when disease strikes, and what you can do to feel better faster.

Food, animal dander and the environment are all reasons that some people experience allergic reactions. Learn about the types of allergies and treatment options.

Asthma can be a debilitating condition, and a number of factors can trigger an attack. Fortunately, there are treatments available to help those with asthma lead relatively normal lives.

Arthritis is defined as the inflammation of joints, and symptoms include stiffness and pain. It often afflicts older people's hands, inhibiting mobility and fine motor skills. Learn about the causes of arthritis and how it can be treated.

This section covers cancer types, causes and symptoms as well as the signs of cancer, tests and treatments.

From atrial fibrillation to heart attacks and congestive heart failure, the articles in this section cover cardiovascular conditions and the treatments available.

Cold and flu can be extremely contagious and are usually more common at certain times of the year. Learn about the differences between the common cold and the flu, as well as symptoms and effective treatment methods.

From minor tension headaches to severe migraines, the articles in this section explain what's behind your headache and how it can be effectively -- and safely -- treated.

Understand diabetes and how your body uses insulin to handle glucose. You'll also find information about the impact of diabetes on other systems in the body.

Chronic fatigue inhibits everyday functions and routines, and it can be a symptom of several serious health conditions. Learn about the possible causes of chronic fatigue and what you can do to overcome it.

Osteoporosis, the thinning of bone tissue and loss of bone density over time, can be prevented with proper nutrition and lifestyle choices. Learn about the causes of osteoporosis as well as effective methods for treatment and prevention.

Urinary tract infections can affect any of the organs associated with urination, from the kidneys to the urea. Learn about the causes of urinary tract infections as well as effective methods for treatment and prevention.

Digestive acids that end up in the wrong place can cause heartburn and stomach ulcers. Find out how to maintain your digestive health and treat uncomfortable conditions such as reflux, gas, upset stomach and more.

Whether your pain is the result of a health condition or not, learning to manage your pain can make everyday life more bearable. Learn about pain management through lifestyle choices and modern medicine.

Bird flu, malaria, plague and West Nile virus are infectious diseases we've all heard of. Find information on these epidemics and more in this section.

Musculoskeletal conditions affect the movement of the body through the muscles, joints, ligaments or bones. Learn about common ailments here.

Rare diseases may not be common, but they are no less painful or difficult than conditions you've heard of. Learn about the causes and symptoms of rare diseases as well as how patients can find treatments for their unusual conditions.

Respiratory conditions impact the lungs and the ability to breath. In this section, find out about the symptoms and treatment of apnea, orthopnea and more.

Death is an inevitable fact of life. Learn about life expectancy, the different ways to die, in this section.