Women buy four out of every 10 condoms sold.
71
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Fingernails grow nearly 4 times faster than toenails.
31
One quarter of the human brain is used to control the eyes.
43
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
During menstruation, the sensitivity of a woman's middle finger is reduced.
47