19 of 20 Things You Didn’t Know About The Human Brain

When you get blackout drunk and awake the next day, you often have no recollection of any of your exploits. This is because you’ve forgotten, it is because your brain is incapable of making memories when you become extremely intoxicated.

The average human brain contains 100 billion neurons. To put that in perspective, each neuron is 10 microns long – put end to end the neurons in a single human brain would stretch about 600 miles.