Only 1 person in 2 billion will live to be 116.
49
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Women buy four out of every 10 condoms sold.
71
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
It takes about 20 seconds for a red blood cell to circle the whole body.
102
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22