Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
When you take a step, you are using up to 200 muscles.
885
You have no sense of smell when you're sleeping!
72
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
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
There is a disease called ichthyosis that turns the skin scaly like a fish.
90