I did look. Second, you are correct about them not being duplicated. HOWEVER, by growth what I meant is it stimulates brain cells to well adjust to outside thinking. Thus stoner moments like "Chicken Pot Pie, my three favorite things." In the average person they may seem slow and lethargic, however in an intellectual it can actually cause the brain to operate on a higher functioning level. This is mostly seen with ADD and ADHD patients, though this is normally being that their brains operate backwards compared to the average person. And by backwards, I mean caffeine may put a person who suffers from ADHD to sleep, or methamphetamine (Riddlin, Concerta and Adderol) will cause them to calm. "Growth" was a term I was using for higher thinking. Though this is not the case with most. So, in short, if you have a question, just ask, don't be a dick.