If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
Redheads require more anesthesia to 'go under' than other hair colors do.
50
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
Your body is creating and killing 15 million red blood cells per second.
50
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77