Just because a thing is true doesn't mean you can apply it. There are vast numbers of active ingredients discovered or developed that are effective in curing many deceases but there aren't "drugs"/pills with it because we haven't found a delivery mechanism for them to be effective where they should in the human body.
Going back to the subject: Have you ever been clinically depressed or dealt with people in that predicament? Getting up from the bed is already a huge win for that day, let alone exercising and doing it consistently and regularly. Even taking medication regularly can be a hit or miss.
So, yeah the prescription is easy to write and thank god it's real and effective, but that's only ~5% of the work.
Going back to the subject: Have you ever been clinically depressed or dealt with people in that predicament? Getting up from the bed is already a huge win for that day, let alone exercising and doing it consistently and regularly. Even taking medication regularly can be a hit or miss.
So, yeah the prescription is easy to write and thank god it's real and effective, but that's only ~5% of the work.