Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Your skin is actually an organ.
88
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Most lipstick contains fish scales.
37
Deep Breathing gives you health benefits similar to aerobics.
39
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Obsessive nose picking is called Rhinotillexomania.
101