The human eye blinks an average of 4,200,000 times a year.
233
On average, there's 100 billion neurons in the human brain.
83
Our Right Lungs takes more air than our left lung.
194
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
Only humans shed emotional tears.
331
Yawns are more contagious among people with closer relationships.
163