The familiar sounds of your heart are made by the heart's valves as they open and close.
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The FDA recognizes 118 routes of administration.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int