Your tongue is the only muscle in your body that is attached at only one end.
173
Fidgeting can burn about 350 calories a day.
201
Every time you sneeze some of your brain cells die.
113
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
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
In one day, adult lungs move about 10,000 litres of air.
11
In 1996, research found that having excessive body hair is linked to higher intelligence.
23