Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
You see your nose at all times, your brain just chooses to ignore it.
30
A person can live without food for about a month, but only about a week without water.
156
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99