No lectures. No preaching.

Just the actual science about what weed does inside your head.

The Hundred Billion Highways Inside Your Head

Here’s how the chemicals in cannabis direct the traffic.


This isn’t your hippy uncle’s weed: THC concentration has increased 300% between 1995 and 2014.

Source: U.S. Surgeon General

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Studies show that THC in weed “corrupts the code” in young brains.


If you’re under 25, smoking weed slows the development of your brain.

Source: Proceedings of the National Academy of Sciences

The Amazing Stretchy Brain

Scientists are learning how weed can morph your mind.


The part of the brain that produces anxiety has been found to be larger in cannabis users in their teens. 

Source: US National Library of Medicine