Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
Children are more allergic to cockroaches than they are to cats!
46
Wearing headphones for an hour increases the bacteria in your ear 700 times.
233
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Banging your head against a wall uses 150 calories an hour.
57
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
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139