An average adult produces about half a liter of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day.
8
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
The human brain is insensitive to pain.
76
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 brain is more active during sleep than during the day.
28
Kissing an infection-free partner is good for your teeth!
141
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18