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

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Captive breeding programs. Captive breeding programs.
Chemosynthesis-based community on the East Pacific Rise. Chemosynthesis-based community on the East Pacific Rise.
Ads from the public service campaign in the late 1960s and early 1970s that encouraged people to get ... Ads from the public service campaign in the late 1960s and early 1970s that encouraged people to get ...
Life Expectancy in Developed Countries Life Expectancy in Developed Countries
Planning, Implementing, & Evaluating Health Promotion Programs: A Primer (6th Edition) Planning, Implementing, & Evaluating Health Promotion Programs: A Primer (6th Edition)
The 1980 Mount Saint Helens eruption obliterated the community at the base of this Cascade volcano. The 1980 Mount Saint Helens eruption obliterated the community at the base of this Cascade volcano.
Video: Stomach peristalsis & Enterogastric reflex

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