跨越预防鸿沟：chemsex、PrEP与全面性健康挑战

This review examines the bidirectional relationship between chemsex and HIV pre-exposure prophylaxis (PrEP): chemsex practice among individuals engaged with PrEP, and PrEP awareness, willingness, and uptake among those who practice chemsex. We introduce the concept of a prevention divide, a persistent gap between elevated HIV/STI risk and sustained engagement with biomedical prevention, shaped by psychosocial, behavioural, and structural factors. Individuals who engage in chemsex, often characterized by polysubstance use, condomless sex, and multiple partners, frequently exhibit high risk for