Our brains have a negativity bias and will remember bad memories more than good ones.
15
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Your ears secrete more earwax when you are afraid than when you aren't.
235
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
One quarter of the bones in your body are in your feet!
36
Medical research has found substances in mistletoe that can slow down tumor growth.
32