Only 1% of bacteria cause disease in humans!
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Chocolate, sex, and laughter are all important for a healthy brain.
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The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
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Pain travels through the body at 350 feet per second!
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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The right lung takes in more air than the left.
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Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
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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.
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