Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
Those who get out of bed by 7am are more likely to be thinner and happier.
20
Wearing tight pants can lead to impotence in men.
120
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
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