Every hour one billion cells in the body must be replaced.
17
Contrary to popular beliefs, chocolate does not cause acne.
63
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
We blink 25 times a minute.
51
Banging your head against a wall uses 150 calories an hour.
57
We are born with 350 bones, and die with 206.
135
One quarter of the bones in your body are in your feet!
36
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5