Your skeleton keeps growing until you are about 35, then you start to shrink.
74
Flu shots only work about 70% of the time.
18
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Motorists who talk on cell phones are more impaired than drunk drivers with blood-alcohol levels exceeding .08!
49
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
The average sperm cell swims at 8 inches per hour.
76
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25