Episode #79: Dr. Caryn Zinn on Why What You Eat Affects How You Love

In this episode, I sit down with Professor Caryn Zinn—a powerhouse nutrition researcher and registered dietitian from New Zealand who's spent over 25 years turning conventional dietary advice on its head. As a Professor at Auckland University of Technology, Editor-in-Chief of the Journal of Metabolic Health, and co-author of the bestselling "What the Fat?" series, Caryn has dedicated her career to helping people understand that the way we fuel our bodies directly impacts our capacity to show up in our relationships, our work, and our lives.

And here's what struck me most: Caryn gets it. She understands that you can't expect to be patient with your partner, present with your family, or passionate about your work when you're running on empty—or worse, running on the nutritional equivalent of fumes.

I'll walk you through:

✅ Why the low-fat, high-carb advice we've followed for decades has left us exhausted and disconnected

✅ How blood sugar crashes throughout the day affect your mood, patience, and ability to be emotionally present

✅ The reality of metabolic health—and why most of us have some degree of insulin resistance without even knowing it

✅ Why whole-food, carbohydrate-reduced eating isn't about restriction but about finding what actually works for YOUR body

✅ The shocking truth about hospital "diabetic diets" and why the system isn't set up to heal us

✅ How building muscle mass now sets you up for vitality, independence, and quality of life in your 70s and 80s

✅ Why your morning toast-and-jam routine might be sabotaging your energy for the entire day

✅ The difference between genuine hunger and habit—and how to tell them apart

✅ Why personalized nutrition matters more than any one-size-fits-all diet trend

Whether you're exhausted from conflicting nutrition advice, struggling to find energy for the people you love after long work days, or simply tired of feeling like your body is working against you, Caryn offers clear, science-backed wisdom without the overwhelm. Her approach reminds us that when we truly nourish ourselves—not deprive ourselves—we create the foundation for everything else: better relationships, sustained passion for our work, and the energy to actually enjoy this one precious life.

🔔 Remember: The head is connected to the body. You cannot abuse your body and expect your mind, your mood, or your relationships to thrive. When you optimize your metabolic health, you're not just changing what's on your plate—you're changing your capacity to love, work, and live fully.

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Caryn's relevant links:

Website: https://carynzinn.com/