Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
Redheads require more anesthesia to 'go under' than other hair colors do.
51
Every hour one billion cells in the body must be replaced.
17
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Chocolate, sex, and laughter are all important for a healthy brain.
37
In 1996, research found that having excessive body hair is linked to higher intelligence.
23