The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
35,000 people in the U.S. will die from the flu annually.
6
The human heart creates enough pressure to squirt blood 30 ft.
37
Nearly 80 percent of all sudden cardiac arrests happen at home.
7
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18