shrug Didn ' t go shopping for it . Doesn ' t mean it ' s not a stupid theory . <| sep |> No , it really is a myth a r e absenteeballotscountedWhy do you think they ' re still counting ballots in many states ? You probably shouldn ' t believe everything you read on fake news sites . <| sep |> Potency doesn ' t matter . Having a drug be this specific to the receptor system youre trying to target also means that you have less offtarget dysregulation which can worsen withdrawal . Short half life , endless redosing and multiple peakdose periods a day leads to one developing tolerance faster . Fentanyl extended release patches are used to maintain pain patients nowadays . They wouldnt be doing that if potency was the issue when it comes to tolerance . Tolerance as far as I know is partly a metabolic function but mainly a function of receptor activation . You can get a similar level of receptor activation in an individual no matter whether you ' re using morphine or carfentanil .