Your tongue is the only muscle in your body that is attached at only one end.
173
Banging your head against a wall uses 150 calories an hour.
57
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77
Your heart rate can rise as much as 30% during a yawn.
69
Fingernails grow fastest on the hand you favor.
44
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346