About half of all Americans are on a diet on any given day.
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An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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Sex burns about 360 calories per hour.
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Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
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Your body is creating and killing 15 million red blood cells per second.
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The first patented condom was meant to be reused!
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There are about 1,400 different species of bacteria in your belly button.
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Kissing an infection-free partner is good for your teeth!
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