Mar13
Is Sugar Addiction Dangerous? Neuroscientist Settles the Debate with Dr. Nicole Avena
Is sugar really “as addictive as cocaine”… or is that just clickbait?
In this episode of the ReThink Health Podcast, I sit down with neuroscientist and nutrition researcher Dr. Nicole Avena to settle the debate using what the science actually shows (and chat about why her findings have sparked so much controversy!).
We break down what researchers mean when they talk about “addiction-like” behavior with sugar, why ultra-processed foods are designed to keep you coming back for more, and what happens in your brain when you binge on sugar day after day.
Most importantly, Dr. Avena shares practical, doable first steps to cut back without feeling like you’re white-knuckling your way through life, starting with the two biggest needle-movers that make everything easier.
You’ll learn:
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Why sugar can trigger addiction-like brain changes (and when it doesn’t)
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How sugar impacts dopamine differently than most foods and why that matters for cravings
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Why most people are binging on sugar without realizing it
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Why “natural” sweeteners like fruit juice concentrate can still be a metabolic trap
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The hidden sugar clue to look for on labels
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The 2 simplest places to start cutting back on sugar
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How to manage cravings when they hit (and how to tell when you’re actually hungry)
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Why sugar overconsumption affects mood, focus, and mental health, not just weight and blood sugar
If you’ve ever wondered whether fasting is actually safe, effective, or “for you,” this episode will help you understand the science and find a rhythm that supports your energy, metabolism, brain, and hormones.
Watch the full conversation on YouTube.
Prefer audio? Listen below or on Spotify & Apple iTunes Podcasts.
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About Dr. Nicole Avena
Nicole Avena, PhD, is a research neuroscientist, best-selling author, and public speaker specializing in nutrition, sugar addiction, and eating behavior. She earned her PhD from Princeton University, completed a molecular biology fellowship at Rockefeller University, and is on the faculty at Mount Sinai School of Medicine and Princeton University. Dr. Avena has published extensively in peer-reviewed journals, edited academic textbooks on neuroscience and appetite, blogs for Psychology Today, and consults with food, pharmaceutical, and independent groups—bringing research-based, practical guidance on building healthier relationships with food.
Thanks so much for spending time with us this week! Have a question or feedback? Email us at [email protected]—we would genuinely love to hear from you.
For more in depth conversations and practical guidance, be sure to subscribe to Dr. Autumn Smith’s YouTube channel, where new videos drop regularly to help you rethink health and nutrition in a clear, manageble way.
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