One human hair can support 3 ounces.
191
Chewing gum boosts your brain power.
285
The average person's skin weighs twice as much as their brain.
131
Every year your body replaces 98% of your atoms.
119
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111