It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
The human sigh acts as a physiological reset button.
23
It takes 17 muscles to smile, 43 to frown.
65
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50