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
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
There are about 1,400 different species of bacteria in your belly button.
10
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
A person can live without food for about a month, but only about a week without water.
156
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
If you hold farts in during the day, they'll just come out when you sleep.
16