Your body is creating and killing about 2.4 million red blood cells per second.
17
If you hold farts in during the day, they'll just come out when you sleep.
16
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
A person can live without food for about a month, but only about a week without water.
156
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193