During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Panophobia is the fear of everything.
52
Contrary to popular beliefs, chocolate does not cause acne.
63
We blink 25 times a minute.
51
Dieters who sleep more take off more fat that those who sleep less.
159
It is possible to go blind from smoking too heavily.
50