Quote Originally Posted by ChronicSmoker420
I'm not sure If the mental/physical thing is accurate but, I wouldn't be surprised if it was; deep thought (which is really fun btw) is sort of unique to Adderall.
ive only found one article which actually described the affects of each separate amphetamine in adderall, but unfortunatly i cant find it again. it described 2 as 'fun' amphetamines, and the other 2 as more concentration-based.