The average person's skin weighs twice as much as their brain.
131
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Enamel is hardest substance in the human body.
61
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Your body is creating and killing about 2.4 million red blood cells per second.
17
Chewing gum boosts your brain power.
285