Wearing tight pants can lead to impotence in men.
120
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
You have no sense of smell when you're sleeping!
72
Most dreams last only 5 to 20 minutes.
79
The human sigh acts as a physiological reset button.
23
The tongue is the strongest muscle in the human body.
50
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22