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
Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
Within three days of death, the enzymes that once digested your food begin to eat you.
22
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
When you take a step, you are using up to 200 muscles.
886
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Flu shots only work about 70% of the time.
18
20 minutes after smoking a cigarette, blood pressure drops to normal.
37