Flu shots only work about 70% of the time.
18
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
2 out of 3 adults in the United States have hemorrhoids.
7
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Wearing tight pants can lead to impotence in men.
120
