Our brains have a negativity bias and will remember bad memories more than good ones.
15
The human sigh acts as a physiological reset button.
23
The human brain is insensitive to pain.
76
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
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
Every hour one billion cells in the body must be replaced.
17