There are about 1,400 different species of bacteria in your belly button.
10
Your heart will pump about 212 million liters in its lifetime.
26
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
There's 100 trillion good bacteria living in your body.
17
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