If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
Flu shots only work about 70% of the time.
18
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
40% of all indigestion remedies sold in the world are bought by Americans.
8
One out of 20 people have an extra rib.
66