One human hair can support 3 ounces.
191
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
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
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
