On average, there's 100 billion neurons in the human brain.
83
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
On average a woman has 4 sexual partners in her lifetime.
-143
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
A person can live without food for about a month, but only about a week without water.
156
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Only humans shed emotional tears.
331
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111