A man's beard grows fastest when he anticipates sex.
239
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22
Smokers get ten times more wrinkles than non-smokers.
171
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
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