Dr. Jenessa Seymour, an expert in addiction and drug policy, dives into the science of how drugs affect the brain and what addiction really means. She critiques current drug policies and highlights the challenges surrounding opioid and fentanyl use. Their discussion emphasizes the distinction between chemical dependency and substance use disorder. Jenessa also underscores the importance of harm reduction strategies and the alarming rise of fentanyl, urging for a more evidence-based approach to drug education.