Random Article
Allergies
Foods, drugs and the environment are all reasons that some people experience allergic reactions. Explore the immune system and find out what leads to a misdirected immune response. See more »
what's inside: 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.
Explore These Topics:
Cancer
This section covers cancer types, causes and symptoms as well as the signs of cancer, tests and treatments. See more »
Explore These Topics:
Cardiovascular Conditions
From atrial fibrillation to heart attacks and congestive heart failure. We cover cardiovascular conditions and the treatments available. See more »
Explore These Topics:
Diabetes
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. See more »
Explore These Topics:
Gastrointestinal Conditions
Digestive acids that end up in the wrong place can cause heartburn and stomach ulcers. Find out what happens and causes those painful burning sensations. See more »
Explore These Topics:
Infectious Diseases
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. See more »
Explore These Topics:
Mental Health
Find articles on stress, phobias and schizophrenia. This section offers information on a range of mental health issues. See more »
Explore These Topics:
Musculoskeletal Conditions
Musculoskeletal conditions can occur in many parts of the body. Find information on chronic conditions such as arthritis, back pain and foot pain. See more »
Explore These Topics:
Neurological Conditions
Amnesia, autism and coma are major neurological conditions covered in this section. Also included in the Neurological Conditions section are helpful exercises and strategies to improving your memory. See more »
Explore These Topics:
Respiratory 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. See more »
Explore These Topics:
Skin Conditions
Chicken pox has plagued millions, moles vary in size, shape and color, and your skin turns red or brown when exposed to the sun. These are all very common skin conditions, find out more about them in this section. See more »
Explore These Topics:
featured articles
Top 5 Things You Should Know (But Don't) about Mitral Valve Prolapse
Bet you didn't know that flossing your teeth had anything to do with your heart. You probably don't think about your heart valves all that often, but we've got five simple things you need to know.
Related Ad Categories
videos: disease & conditions
you might also like...
Symptoms of High Cholesterol
Your body does not have a way of telling you if you have high cholesterol. However, it can lead to heart disease, so you should get a test -- and learn the symptoms of heart disease.
How the Cervical Cancer Vaccine Works
Texas recently became the first state to require that school-age girls receive the new cervical cancer vaccine, Gardasil. The mandate has sparked heated protests -- but to understand the debate, you must understand the drug.
Related Ad Categories
Symptom Checker
Learn more about what ails you. Here are some common symptoms.
Common Symptoms:
Diseases A-Z
A comprehensive guide with three thousand articles, including images and multimedia.
Common Conditions:
