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Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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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.

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Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Blood Flow through the Heart Blood Flow through the Heart
Spitzer Space Telescope Spitzer Space Telescope
The formed elements of blood. The formed elements of blood.
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Blood Groups and Blood Types Blood Groups and Blood Types
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Video: Negative Feedback Regulation of Blood Pressure

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