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
Surgeons who listen to music during operations perform better than those who don't .
87
Flu shots only work about 70% of the time.
18
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
It takes about 20 seconds for a red blood cell to circle the whole body.
102
A person infected with the SARS virus, has a 95-98% chance of recovery.
23
The average person's skin weighs twice as much as their brain.
131