The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
There are about 1,400 different species of bacteria in your belly button.
10
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Within three days of death, the enzymes that once digested your food begin to eat you.
22
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