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 is a disease called ichthyosis that turns the skin scaly like a fish.
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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Only 1% of bacteria cause disease in humans!
2
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
It is possible to go blind from smoking too heavily.
50
In the average lifetime a person will breath in about 44 pounds of dust.
21
The smallest human penis ever recorded was just 5/8 of an inch long!
77