After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
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
Male hospital patients fall out of bed twice as often as female hospital patients.
71
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
It takes approximately 12 hours for food to entirely digest.
93
The average person's skin weighs twice as much as their brain.
131
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
You mostly breathe from only one nostril at a time!
75
