A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
Obsessive nose picking is called Rhinotillexomania.
101
Every hour one billion cells in the body must be replaced.
17
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38
About 400 different kinds of microbes live on and in the human body.
-3
Ingrown toenails are hereditary.
15
When you take a step, you are using up to 200 muscles.
886