It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Redheads require more anesthesia to 'go under' than other hair colors do.
50
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
Most dreams last only 5 to 20 minutes.
79
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
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21