In one day, adult lungs move about 10,000 litres of air.
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The average person who stops smoking requires one hour less sleep a night.
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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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Human thigh bones are stronger than concrete!
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A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
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The adult human brain weighs about 3 pounds (1,300-1,400 g).
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People that suffer from gum disease are twice as likely to have a stroke or heart attack.
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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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