Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The average human body contains enough iron to make a small nail.
50
Human hair and fingernails continue to grow after death.
7
Smokers get ten times more wrinkles than non-smokers.
171
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
‘Fracture putty’ is a material being developed that when packed in & around a bone fracture, provides full load bearing strength within days.
8