Every hour one billion cells in the body must be replaced.
17
Like fingerprints, everyone's tongue print is different!
71
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
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
Oenophobia is the Fear of wines.
28
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
56
Dentists have recommended that a toothbrush be kept at least 6 feet away from a toilet to avoid airborne particles resulting from the flush.
104
The human brain is more active during sleep than during the day.
28