Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The average sperm cell swims at 8 inches per hour.
4
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Pain occurs when sounds are above 130 db.
124
All 13 minerals necessary for human life can be found in alcohol beverages.
282
On average a woman has 4 sexual partners in her lifetime.
-143
It takes about 20 seconds for a red blood cell to circle the whole body.
102
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73