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
If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
About 400 different kinds of microbes live on and in the human body.
-3
40% of all indigestion remedies sold in the world are bought by Americans.
8
Deep Breathing gives you health benefits similar to aerobics.
39
Chocolate, sex, and laughter are all important for a healthy brain.
37
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127