Only 1% of bacteria cause disease in humans!
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When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
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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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A man's beard grows fastest when he anticipates sex.
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Your body is creating and killing 15 million red blood cells per second.
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One out of 20 people have an extra rib.
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The whiter your tongue, the more germs there are on it.
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