Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
The human body contains over a billion miles of DNA.
147
Every hour one billion cells in the body must be replaced.
17
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
An average adult produces about half a liter of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day.
8
One out of 20 people have an extra rib.
66