Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
The right lung takes in more air than the left.
30
Clinophobia is the fear of beds!
30
People who sleep late have more mental stamina and can outperform early risers.
33
One quarter of the human brain is used to control the eyes.
43
Deep Breathing gives you health benefits similar to aerobics.
39
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
You have no sense of smell when you're sleeping!
72