This review highlights the relationship between mental health problems and HIV prevention outcomes, showing that symptoms of mental disorders and distress are associated with increased sexual risk behaviours and poor engagement with HIV prevention. Mental health, HIV prevention, HIV care, HIV treatment cascade, behavioural health, integrated care Keywords: mental health; HIV prevention; HIV care; HIV treatment cascade; behavioural health; integrated care EN mental health HIV prevention HIV care HIV treatment cascade behavioural health integrated care 1 3 3 06/30/21 20210603 NES 210603 Mental health is a universal human asset, indivisible from other public health priorities, and especially important to people living with and at risk for HIV [1,2]. [Extracted from the article]