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Directory of Organizations

Below is a list of all Organizations that contribute to WebMD Answers.

Featured Questions

A weekly list of popular questions chosen by WebMD's Editorial Staff.

Answered by Organizations

Q.What causes narcolepsy?
A.National Heart, Lung, and Blood Institute
Most people who have narcolepsy have low levels of hypocretin. This is a chemical in the brain that helps promote wakefulness. What causes low...
Q.What are mitochondrial myopathies?
A.HHS (U.S. Department of Health & Human Services)
Mitochondrial myopathies are a group of neuromuscular diseases caused by damage to the mitochondria -- -small, energy-producing structures that serve...
Q.Who should receive the flu vaccine? When should someone get the flu shot?
A.MedicineNet
In the United States, the flu season usually occurs from about November until April. Officials have decided each new flu season will start on Oct. 4...
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