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.


If you’re under 25 and use weed, you are at a greater risk of depression.

Source: CDC: Marijuana and Public Health

WARNING: Software Update Failed

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.


Cannabis use by young people has been shown to cause “structural abnormalities” in their brains. 

Source: American Psychological Association