Our brains have a negativity bias and will remember bad memories more than good ones.
15
One out of 20 people have an extra rib.
66
Your body is creating and killing 15 million red blood cells per second!
14
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
40% of all indigestion remedies sold in the world are bought by Americans.
8