There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Medical research has found substances in mistletoe that can slow down tumor growth.
32
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
Every year your body replaces 98% of your atoms.
119
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
About 400 different kinds of microbes live on and in the human body.
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