If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
Flu shots only work about 70% of the time.
18
There's a new vaccine for alcoholism that gives drinkers an immediate and harsh hangover, even if they drink a small amount of booze.
14
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Chocolate, sex, and laughter are all important for a healthy brain.
37
Your heart beats over 100,000 times a day!
54
The first patented condom was meant to be reused!
47