Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
A person can live without food for about a month, but only about a week without water.
156
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The human body contains over a billion miles of DNA.
147
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Your body is creating and killing about 2.4 million red blood cells per second.
17
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.
22
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22