One out of 20 people have an extra rib.
66
The average person who stops smoking requires one hour less sleep a night.
79
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14
The human sigh acts as a physiological reset button.
23
35,000 people in the U.S. will die from the flu annually.
6
One or two alcohol drinks a day can be anti-inflammatory.
75
Your heart will pump about 212 million liters in its lifetime.
26