According to Scott Alexander, amphetamines are relatively safe even long-term with reasonable dosage: https://slatestarcodex.com/2017/12/28/adderall-risks-much-

According to Scott Alexander, amphetamines are relatively safe even long-term with reasonable dosage: 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... and methamphetamines are not much different: https://astralcodexten.substack.com/p/know-your-amphetamines https://astralcodexten.substack.com/p/know-your-amphetamines