People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Within three days of death, the enzymes that once digested your food begin to eat you.
22
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
The whiter your tongue, the more germs there are on it.
88