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Cannabis Biomarker Study 

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In collaboration with Drs Leah Mayo and Matthew Hill at the Hotchkiss Brain Institute, we are currently exploring individual variability in cannabis-related health outcomes among young adults by examining biological markers such as plasma endocannabinoids, cortisol, and inflammatory cytokines, alongside psychological data including cannabis use severity, trauma exposure, and mental health symptoms. Participants provide blood and saliva samples, and complete validated self-report measures. Our goal is to uncover how cannabis might buffer or exacerbate the effects of trauma and stress, depending on underlying physiological profiles.

 

This research is grounded in a substance use health framework that recognizes cannabis use along a spectrum—from beneficial to harmful—rather than as inherently problematic. It also explicitly acknowledges the role of stigma (public, structural, and self-stigma) in shaping how individuals experience cannabis use, seek care, and interact with health systems.

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CU_Spark 

In parallel with our research, we launched a knowledge mobilization campaign initially called CUCannabisCrew, now renamed CU_Spark. This student-driven initiative engages the university community in evidence-informed conversations about cannabis, harm reduction, and substance use health. Through videos, workshops, peer education, and creative outreach strategies (e.g., interactive flyers, social media campaigns), CU_Spark translates our research findings into accessible tools that challenge stigma and promote informed decision-making.

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2025 Hellemans Research Group 

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