摘要
INTRODUCTION Addiction is a major global risk factor for disability and premature death'and has become a public health and social problem worldwide.Despite substantial investments from governments and research institutionsglobally,current addictionmedicine research remains centred in Western countries.However,theories,models and results from western-centric research may not be applicable to different cultures.Non-Western countries such as China and Iran,and Western countries are committed to establishing addiction prevention and treatment tailored to their unique histories and cultures.To foster a global addiction science,it is important to increase the diversity of evidence without preconceived biases.