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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 and conditions channel
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.
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Cancer
This section covers cancer types, causes and symptoms as well as the signs of cancer, tests and treatments. See more »
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Cardiovascular Conditions
From atrial fibrillation to heart attacks and congestive heart failure. We cover cardiovascular conditions and the treatments available. See more »
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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 »
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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 »
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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 »
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Mental Health
Find articles on stress, phobias and schizophrenia. This section offers information on a range of mental health issues. See more »
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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 »
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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 »
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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 »
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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 »
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featured articles
How Alzheimer's Disease Works
A little forgetfulness is normal, but what about when a person can no longer remember the names of their family members? For those with Alzheimer's and the people who love them, debilitating memory loss is a sad fact of everyday life.
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How Strokes Work
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That man dressed in animal skins and running around Jerusalem trying to baptize people isn't alone. Tourists in Jerusalem sometimes suffer from a strange conviction that they are Biblical figures. Are they mentally ill or is there more to it?
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Diseases A-Z
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