SSC had a pretty comprehensive summary of the existing research on long-term medical amphetamine usage. The summary is that there's probably a health impact, bu

SSC had a pretty comprehensive summary of the existing research on long-term medical amphetamine usage. The summary is that there's probably a health impact, but it's very small. The biggest risk is probably a 50% or so increased risk of Parkinsons. May be of more concern if you have the APOE4 allele. https://slatestarcodex.com/2017/12/28/adderall-risks-much-more-than-you-wanted-to-know/ https://slatestarcodex.com/2017/12/28/adderall-risks-much-mo...