Some doctors regard drug dependence as a psychological disorder.很多医生把毒品依赖看作一种心理障碍。French doctors tend to regard drug dependence as a form of deep-rooted psychological disorder.法国医生倾向于把毒瘾看作是一种根深蒂固的心理障碍。He is undergoing treatment for drug dependence.他正在接受戒毒治疗。