Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

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