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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featured articles
How Amnesia Works
Memory is your only personal record of the past and of who you are as an individual. What if you woke up one morning and your memory was gone?
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How Post-traumatic Stress Disorder Works
Formerly known as "shell shock," research into post-traumatic stress disorder began intensely after Congress requested a study of how Vietnam veterans were adjusting back to civilian life in 1983. Learn about this disorder and the effects it has on the lives of the people who suffer from it.
How Fibrodysplasia Ossificans Progressiva (FOP) Works
What if your muscles, tendons and ligaments turned to bone? What if you formed a second skeleton on top of the one you already have? That's what happens with FOP.
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