Flu shots only work about 70% of the time.
18
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
The human body contains over a billion miles of DNA.
147
You would need to smoke between 20,000-40,000 joints to be at risk of dying of a THC overdose.
12
Children are more allergic to cockroaches than they are to cats!
46
Your heart beats over 100,000 times a day!
54
The average sperm cell swims at 8 inches per hour.
76