One out of 20 people have an extra rib.
66
A man's beard grows fastest when he anticipates sex.
239
Your heart rate can rise as much as 30% during a yawn.
69
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
40% of all indigestion remedies sold in the world are bought by Americans.
8
In older people, memory is best early in the morning and then declines during the late afternoon.
33
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139