When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
A person can live without food for about a month, but only about a week without water.
156
On average, there's 100 billion neurons in the human brain.
83
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
If the human eye was a digital camera, it would have 576 megapixels.
25