Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
By the age of 60, most people have lost 50% of their taste buds.
17
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
After an 11 year study, cell phones were shown not to increase chances of getting cancer.
14
If you unfolded your brain, it would cover an ironing board.
42
Fingernails grow nearly 4 times faster than toenails!
30