Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Every day, the average person swallows about a quart of mucous.
5
Clinophobia is the fear of beds!
30
It is possible to go blind from smoking too heavily.
50
Chewing gum boosts your brain power.
285
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
The average office desk has 400 times more bacteria than a toilet.
22