Mental Health and Substance Use in Young People: A Harm Reduction Approach

It was great to be part of the Improving Young People's Mental Health: Policy, Prevention and Early Intervention Conference. My presentation focused on a topic I'm passionate about: Why substance use, neurodiversity and harm reduction must be part of the conversation when we're talking about improving young people's mental health. When we discuss improving young people's mental health, we often focus on prevention, resilience, early intervention and access to services. All of these are essential. However, we can still struggle to recognise what young people are actually doing when they are struggling. Young people rarely present saying, "I need mental health support." Instead, they present with behaviours. They disengage from education, withdraw from family and friends, self-harm or increasingly self-medicate through substances. The young person using cannabis daily or experimenting with ketamine is often trying to solve a problem, not create one. Substance use rarely exists in isolation. Behind it we often see anxiety, trauma, family conflict, low self-esteem and increasingly, neurodiversity. Substance use is a symptom, not the root cause. What begins as relief can become an additional problem. The cannabis that eases anxiety today may worsen motivation tomorrow. The ketamine that provides escape may impact education, relationships and wellbeing. Young people are not choosing harm. More often, they are choosing relief. If we fail to understand the need beneath the behaviour, we risk responding with judgement instead of support. We know that neurodiverse young people experience higher levels of anxiety, educational challenges, social exclusion and vulnerability. For some, substance use becomes an attempt to manage overwhelm, regulate emotions or feel more comfortable in social situations. This does not make substance use the answer, but it helps us understand the need being met. As professionals, we may not agree with the solution a young person has found. But if we do not understand the need they are trying to meet, our interventions are unlikely to succeed. This is where harm reduction matters. Harm reduction is often misunderstood as accepting substance use. It isn't. Harm reduction means engaging with reality and building trust. It starts with: "Tell me what's happening." "Help me understand." "Let's reduce the risk together." When young people feel understood rather than judged, they are more likely to stay engaged, seek help earlier and consider change. Harm reduction is not the opposite of prevention. It is prevention. Our role is not simply to remove the substance. Our role is to understand the need. Because when young people feel understood, they engage. When they engage, change becomes possible. And when we combine mental health support, understanding of neurodiversity and harm reduction, we create something incredibly powerful: Not just better services, but better futures for young people.

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