The average person has over 1,460 dreams a year!
69
It is possible to go blind from smoking too heavily.
50
Enamel is hardest substance in the human body.
61
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
The average sperm cell swims at 8 inches per hour.
4
There's a new vaccine for alcoholism that gives drinkers an immediate and harsh hangover, even if they drink a small amount of booze.
14
Every time you sneeze some of your brain cells die.
113
Our brains have a negativity bias and will remember bad memories more than good ones.
15