Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
The human sigh acts as a physiological reset button.
23
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
You can alleviate a tickly throat by scratching your ear.
9
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
It takes 17 muscles to smile, 43 to frown.
65
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55