When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
There are 206 bones in the human body!
-17
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39