The average sperm cell swims at 8 inches per hour.
76
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77
A person can live without food for about a month, but only about a week without water.
156
Your heart pumps about 2,000 gallons of blood each day!
53
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39