Motorists who talk on cell phones are more impaired than drunk drivers with blood-alcohol levels exceeding .08!
49
The tongue is the strongest muscle in the human body.
50
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
Fingernails grow nearly 4 times faster than toenails.
31
There's 100 trillion good bacteria living in your body.
17
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