If you unfolded your brain, it would cover an ironing board.
42
Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
Obsessive nose picking is called Rhinotillexomania.
101
The average sperm cell swims at 8 inches per hour.
76
Fingernails grow nearly 4 times faster than toenails.
31
Most dreams last only 5 to 20 minutes.
79
In one day, adult lungs move about 10,000 litres of air.
11