Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
In the average lifetime a person will breath in about 44 pounds of dust.
21
You mostly breathe from only one nostril at a time!
75
The average office desk has 400 times more bacteria than a toilet.
22
You inhale about 700,000 of your own skin flakes each day.
29
You're born with 300 bones, but when you get to be an adult, you only have 206!
17