It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
The average person's skin weighs twice as much as their brain.
131
The human body contains over a billion miles of DNA.
147
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
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
If you hold farts in during the day, they'll just come out when you sleep.
16