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
The average human body contains enough iron to make a small nail.
50
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Medical research has found substances in mistletoe that can slow down tumor growth.
32
Motorists who talk on cell phones are more impaired than drunk drivers with blood-alcohol levels exceeding .08!
49
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
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
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