Fingernails grow nearly 4 times faster than toenails!
30
Your body is creating and killing about 2.4 million red blood cells per second.
17
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
Your skeleton keeps growing until you are about 35, then you start to shrink.
74