It is possible to go blind from smoking too heavily.
50
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Men have larger hearts; women's hearts beat faster.
77
Redheads require more anesthesia to 'go under' than other hair colors do.
50
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
Tap water in Canada is held to a higher health standard than bottled water.
19
Phobatrivaphobia is fear of trivia about phobias.
39