The human brain is insensitive to pain.
76
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
Only 1% of bacteria cause disease in humans!
2
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Redheads require up to 20% more anesthesia to be knocked out.
112
Women buy four out of every 10 condoms sold.
71