Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
When you get blackout drunk, you don't actually forget anything; your brain wasn't "recording" in the first place.
23
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
People who sleep late have more mental stamina and can outperform early risers.
33
On average, there's 100 billion neurons in the human brain.
83
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
The human body contains over a billion miles of DNA.
147