It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human brain doesn't stop developing until about 25 years old.
102
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Your thumb is about the same size as your nose.
124
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193