After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
Men have larger hearts; women's hearts beat faster.
77
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Every year your body replaces 98% of your atoms.
119
Redheads require up to 20% more anesthesia to be knocked out.
112
Motorists who talk on cell phones are more impaired than drunk drivers with blood-alcohol levels exceeding .08!
49
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45