Only 1% of bacteria cause disease.
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All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
35,000 people in the U.S. will die from the flu annually.
6
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
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One or two alcohol drinks a day can be anti-inflammatory.
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Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
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