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Addiction—whether to substances or behaviours—isn’t simply a matter of bad habits or poor choices. At its core, addiction is about the brain. Specifically, it’s about how the reward and pleasure system, driven largely by dopamine, gets rewired in ways that make stopping incredibly difficult. In this post, we’ll explore how both substance use and behavioural addictions affect the brain’s reward circuitry, and why understanding this can change how we approach healing. What is Dopamine, Really? Dopamine is a neurotransmitter, a chemical messenger in the brain that helps neurons communicate. It's…

It’s easy to scoff at the word ‘addiction’ when it comes to screen time. After all, our phones, tablets, and laptops aren’t drugs or alcohol, right? But the way they engage our brains tells a different story. Dopamine, the neurotransmitter that drives pleasure and motivation, is being hijacked by the rapid-fire stimulation of notifications, endless scrolling, and instant gratification. Dr. Anna Lembke, an addiction expert, explains that smartphones are designed to be addictive, reinforcing behaviours with rewards like social media interactions, akin to a slot machine's reinforcement schedule…