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Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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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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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.