It has been said that over 350 million people suffer from Facebook Addiction Disorder.
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A man's beard grows fastest when he anticipates sex.
239
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22
The adult human brain weighs about 3 pounds (1,300-1,400 g).
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