About half of all Americans are on a diet on any given day.
29
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
There are about 1,400 different species of bacteria in your belly button.
10
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
It takes approximately 12 hours for food to entirely digest.
93
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15

