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Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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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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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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

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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.

The Green Revolution The Green Revolution
Primary aging means changes in hair color and skin texture for almost everyone. Primary aging means changes in hair color and skin texture for almost everyone.
(A) Major leukocytes. (B) Enhanced color photograph from a scanning electron microscope of a ... (A) Major leukocytes. (B) Enhanced color photograph from a scanning electron microscope of a ...
MRI image of brain cancer. The bright blue color indicates where the cancer has metastasized. MRI image of brain cancer. The bright blue color indicates where the cancer has metastasized.
Colored scanning electron micrograph (SEM) of a helper T cell (green) with HIV viruses (red) budding ... Colored scanning electron micrograph (SEM) of a helper T cell (green) with HIV viruses (red) budding ...
Color Is Not Always an Indicator of Whether Meat Is Thoroughly Cooked Color Is Not Always an Indicator of Whether Meat Is Thoroughly Cooked
Video: Exercise and cardiac output

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