After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
Women buy four out of every 10 condoms sold.
71
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
You inhale about 700,000 of your own skin flakes each day.
29
One quarter of the bones in your body are in your feet!
36