Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Your heart rate can rise as much as 30% during a yawn.
69
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
There are about 1,400 different species of bacteria in your belly button.
10
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
The largest cell in the human body is the female egg and the smallest is the male sperm.
682