Adderall generally comes in a fixed quantity of lower potency than meth, and in beads designed to spread the release out over time. It's supposedly not easy to smoke it either.
Then there's just the nature of addiction. Some people seem predisposed to it. The Vietnam war is a good example. High percentage of heroin use there by US soldiers, but a much smaller percentage of the in-country users returned home with a habit. Another example is the high occurrence of addiction following bariatric surgery, with people who didn't have the issue prior.
Then there's just the nature of addiction. Some people seem predisposed to it. The Vietnam war is a good example. High percentage of heroin use there by US soldiers, but a much smaller percentage of the in-country users returned home with a habit. Another example is the high occurrence of addiction following bariatric surgery, with people who didn't have the issue prior.