Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
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.
22
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
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