The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
There's 100 trillion good bacteria living in your body.
17
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
If your DNA was stretched out it would reach to the moon 6,000 times.
256
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
The average sperm cell swims at 8 inches per hour.
76
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The average person's skin weighs twice as much as their brain.
131