From the anecdotes I hear, it seems dubious from an ethical standpoint because the assertion is almost always that a person cannot think clearly due to add, so

From the anecdotes I hear, it seems dubious from an ethical standpoint because the assertion is almost always that a person cannot think clearly due to add, so they need meds. But how can they consent to taking those meds if they can’t think clearly? Surely researching the cost/benefit and long term health outcomes of a drug like that requires the ability to focus and think clearly. It seems hard to defend, ethically.