Human teeth are almost as hard as rocks!
47
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
Your hair grows faster in the morning than at any other time of day.
91
Deep Breathing gives you health benefits similar to aerobics.
39
The human sigh acts as a physiological reset button.
23
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
A person infected with the SARS virus, has a 95-98% chance of recovery.
23