Your ears secrete more earwax when you are afraid than when you aren't.
229
The average person who stops smoking requires one hour less sleep a night.
79
At age 70, more than 70 percent of men are still potent!
29
The human brain uses approximately as much energy as a 10 watt light bulb.
120
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
Human teeth are almost as hard as rocks!
47
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39