I don't have data, just personal experience and observations of people around me who have used stimulants for prolonged periods of time. Adderall starts off wi

I don't have data, just personal experience and observations of people around me who have used stimulants for prolonged periods of time. Adderall starts off with 10mgs/day, 20, 30, then 40 to get the same productivity. I was mostly equating adderall use with that list of effects, not less stimulants.