Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
In the average lifetime a person will breath in about 44 pounds of dust.
21
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
In older people, memory is best early in the morning and then declines during the late afternoon.
33
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
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Fingernails grow nearly 4 times faster than toenails!
30