Banging your head against a wall uses 150 calories an hour.
57
The average person who stops smoking requires one hour less sleep a night.
79
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
The average female will have 3.3 pregnancies in her life.
49
By the age of 60, most people have lost 50% of their taste buds.
17
Your thumb is about the same size as your nose.
124
In one day, adult lungs move about 10,000 litres of air.
11