文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Psychoactive Substance Related DisordersWei Hao, MD., Ph.D.文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。Terminology substance, drugaddictiondependenceabusetolerancewithdrawal syndrome文档仅供参考，不能作为科学依据，请勿模仿；如有不当之处，请联系网站或本人删除。SubstancesSubstanceisagroupofchemicalsthatcanalterhumanmind and behaviors. The word “substance” is generallypreferable to the word “drug”. In DSM-III-R system,“drug” is also called “psychoactive substances”, but theDSM-IVreferstothemsimplyas“sub
