After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Your heart rate can rise as much as 30% during a yawn.
69
Ingrown toenails are hereditary.
15
One quarter of the human brain is used to control the eyes.
43
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
People who sleep late have more mental stamina and can outperform early risers.
33
You see your nose at all times, your brain just chooses to ignore it.
30
The human brain is more active during sleep than during the day.
28
