Saturday, August 22, 2009

If You Masturbate Will You Go Blind?


How much does a human brain weigh?
The brain reaches its maximum weight at age 20 - about 3 pounds. Over the next 60 years, as billions of nerve cells die within the brain, it loses about 3 ounces. The brain begins to lose cells at a rate of 50,000 per day by the age of 30.

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