how long till we have a miracle drug that not only instantly eliminates addiction but also balances dopamine / serotonin enough that the patient wants to have a productive, healthy lifestyle?

3 years, a decade, more?

because knowing is finding the limits /outercorps

A more important question might be 'What will vested interests like big pharma, junk food, and alcohol companies do to prevent that from even  happening?"  The technology is the easy part compared to that.

Futurist Keynote Speaker and Advisor. 
Check out my channel /fomo 

i'm optimistic enough to think that if an effective solution was found, we have enough alternative investors in the country to overcome incumbent resistance and make it successful