During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
Most dreams last only 5 to 20 minutes.
79
Every time you sneeze some of your brain cells die.
113
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
If you unfolded your brain, it would cover an ironing board.
42
Human thigh bones are stronger than concrete!
63
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
It is possible to go blind from smoking too heavily.
50