There are about 1,400 different species of bacteria in your belly button.
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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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If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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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.
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Your body is creating and killing about 2.4 million red blood cells per second.
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During menstruation, the sensitivity of a woman's middle finger is reduced.
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It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
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