Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
Sex burns about 360 calories per hour.
860
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
The average human body contains enough iron to make a small nail.
50
Dentists have recommended that a toothbrush be kept at least 6 feet away from a toilet to avoid airborne particles resulting from the flush.
104
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
Foreign accent syndrome is a rare brain disorder which causes people to speak in a foreign accent involuntarily.
15
Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16