In Japan, condoms are commonly sold 'door to door'!
54
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
The tongue is the strongest muscle in the human body.
50
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
It is possible to go blind from smoking too heavily.
50
If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22
The human brain is insensitive to pain.
76