The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
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
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
Laughing could dramatically improve your health – and be as good for you as a deep state of meditation, researchers have found.
28
On average, there's 100 billion neurons in the human brain.
83
Deep Breathing gives you health benefits similar to aerobics.
39
On average, women have always lived longer than men.
195