I think things like drugs and alcohol are worse for growing brains.  From a NYC teacher (One reference point)<p>&quot;I’ve taught high school for 25 years and I hate what marijuana does to my students. It goes beyond missing homework assignments. My students become less curious when they start smoking pot. I’ve seen it time and time again. People say pot makes you more creative, but from what I’ve seen, it narrows my students’ minds until they only reference the world in relation to the drug. They’ll say things like: “I went to the beach and got so high,” or “I went to a concert and got so high.” They start choosing their friends based on the drug. I hate when people say that it’s just experimenting. Because from what I’ve seen, it’s when my students stop experimenting.” 
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