Fingernails grow nearly 4 times faster than toenails.
31
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
Human thigh bones are stronger than concrete!
63
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
There are about 1,400 different species of bacteria in your belly button.
10
You have no sense of smell when you're sleeping!
72
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