anitdrugsupport:

The brains of people who smoke marijuana look very different than the brains of people who do not smoke. The image below  shows the normal brain on top and the marijuana user’s brain on the bottom. The brains of the marijuana users are hypometabolic, which means that there is a significantly reduced brain metabolism. Chronic use keeps these levels reduced. The Feinstein scientists have scanned people years after they have stopped using and their brains continue to have the signature of a marijuana smoker.

just because