Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
It takes approximately 12 hours for food to entirely digest.
93
Redheads require up to 20% more anesthesia to be knocked out.
112
A fetus develops fingerprints at eighteen weeks!
32
The human sigh acts as a physiological reset button.
23
After an 11 year study, cell phones were shown not to increase chances of getting cancer.
14