You inhale about 700,000 of your own skin flakes each day.
29
At age 70, more than 70 percent of men are still potent!
29
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Flu shots only work about 70% of the time.
18
Fidgeting can burn about 350 calories a day.
201
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39