The average person has over 1,460 dreams a year!
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Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
Your ribs move about 5 million times a year, every time you breathe!
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Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
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Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
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There's a new vaccine for alcoholism that gives drinkers an immediate and harsh hangover, even if they drink a small amount of booze.
14
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
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Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
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