psychoactive substance

1. The active ingredient in coffee is caffeine, which is a stimulant and the most commonly consumed psychoactive substance in the world.
   咖啡里面的兴奋成分是咖啡因，这是最常见的兴奋剂。
2. Previous research has found similar correlations reinforcing the possibility that coffee – the most frequently ingested psychoactive substance in the world – can help alleviate depression.
   之前的研究也发现了类似的相关性，进一步表明咖啡这一世界上被最频繁摄取的精神活性物质能够帮助缓解抑郁的可能性。
3. STUDY ON DRUG AND PSYCHOACTIVE SUBSTANCE USE AMONG SECONDARY SCHOOL STUDENTS IN SHENZHEN; Bioassay-guided Isolation of Antitumor Compounds from Derris trifoliate Lour and Their Interaction with DNA
   深圳市中学生使用药物与精神活性物质的追踪研究鱼藤中抗肿瘤活性化合物的追踪分离及与DNA的相互作用
4. Investigation on the use of psychoactive substance among primary and middle school students in Hangzhou
   杭州市中小学生精神活性物质使用情况调查
5. The internet and psychoactive substance use among innovative drug users
   青少年吸毒者中的网络与精神活性物质的使用
6. Psychoactive substance use among medical students
   医学生使用精神活性物质状况分析
7. Objective: To survey drug/ psychoactive substance use among senior middle school students in Wuhan area.
   目的··：了解武汉地区中学生使用药物/精神活性物质情况。
8. We suggest that the education of prevention of psychoactive substance abuse in primary and middle schools should be enforced and the treatment of heroin addicts should be focused on the rehabilitation.
   建议在中、小学中加强反对使用成瘾物质的教育，为了减少复吸，戒毒工作的重点应转到康复方面上来。
9. A Psychoactive substance use survey of 1229 medical students at Beijing medical university was carried out in 1990. The survey instrument used was a self-administered questionnaire.
   本文采取自填问表方式，对北京医科大学在校的1229名医学生使用精神活性物质状况进行了调查。
10. On harmfulness of psychoactive substance abuse
    精神活性物质滥用的危害性及相关问题
11. Objective: To understand the basic situation, characteristics and consequences of central stimulants and other related psychoactive substance abuse.
    目的：调查全国部分地区中枢兴奋剂及相关非法精神活性物质滥用的基本情况、特点和危害。
12. Epidemiological study of central stimulants and other related psychoactive substance abuse
    全国部分地区中枢兴奋剂及相关非法精神活性物质滥用流行病学调查

noun

1. a drug that can produce mood changes and distorted perceptions

   Synonym:    psychoactive drugmind-altering drugconsciousness-altering drug