On a related by side note, methylphenidate has been shown to have mild neuroprotective effects (unlike some amphetamine derivatives) [1]. Interestingly dopamine

On a related by side note, methylphenidate has been shown to have mild neuroprotective effects (unlike some amphetamine derivatives) [1]. Interestingly dopamine can cause/be neurotoxic (presumably at high levels for a long time). [2] (Both sources were quickly googled, I'm sure there are better papers. 1 - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701286/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701286/ 2 - https://link.springer.com/chapter/10.1007/978-1-59259-006-3_9 https://link.springer.com/chapter/10.1007/978-1-59259-006-3_...