During menstruation, the sensitivity of a woman's middle finger is reduced.
47
About 400 different kinds of microbes live on and in the human body.
-3
Your heart pumps about 2,000 gallons of blood each day!
53
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
Redheads require up to 20% more anesthesia to be knocked out.
112
Medical research has found substances in mistletoe that can slow down tumor growth.
32
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human body contains over a billion miles of DNA.
147