You can alleviate a tickly throat by scratching your ear.
9
There's 100 trillion good bacteria living in your body.
17
The average person has over 1,460 dreams a year!
69
Kissing an infection-free partner is good for your teeth!
141
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
Poor eyesight (myopia) is associated with higher IQ.
232
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
In Japan, condoms are commonly sold 'door to door'!
54