What If Your Fatigue, Your Belly Fat, and Your Brain Fog All Have the Same Root Cause? episode artwork

EPISODE · May 27, 2026 · 10 MIN

What If Your Fatigue, Your Belly Fat, and Your Brain Fog All Have the Same Root Cause?

from The Habit Healers · host Laurie Marbas, MD, MBA

Your blood sugar looks normal, your HbA1c is fine, and your doctor says you’re healthy. So why are you exhausted by 2pm, carrying weight around your middle that won’t budge, and walking into rooms forgetting why? In this episode, I explain why standard blood work misses insulin resistance, the upstream driver behind so many of the symptoms people are told to ignore.I’m Dr. Laurie Marbas, and on The Habit Healers Podcast I walk you through what fasting glucose and HbA1c actually measure, and what they leave out. We talk about why fasting insulin is the test almost no one orders, how your pancreas can keep your numbers looking perfect for years while damage builds underneath, and the link between insulin resistance and type 2 diabetes, heart disease, fatty liver, PCOS, and even brain health. Then we get to the good news: this is reversible. I share the exact sequence of small daily habits, starting with blood sugar, that builds metabolic health the way a flywheel builds momentum.What you’ll learn in this episode:* Why a normal fasting glucose can hide insulin resistance for years* The one blood test to ask your doctor for: fasting insulin* How insulin resistance connects to type 2 diabetes, heart disease, and Alzheimer’s* Why walking 10 minutes after your largest meal steadies blood sugar* How a continuous glucose monitor turns your body into a real-time experimentThe habit-stacking system that makes healthy choices automaticCheck out the Habit Healers Community: https://www.skool.com/habithealers/aboutDr. Marbas Substack Article: https://drlauriemarbas.substack.com/p/what-if-your-fatigue-your-belly-fat Get full access to The Habit Healers at drlauriemarbas.substack.com/subscribe

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What If Your Fatigue, Your Belly Fat, and Your Brain Fog All Have the Same Root Cause?

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This episode was published on May 27, 2026.

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Your blood sugar looks normal, your HbA1c is fine, and your doctor says you’re healthy. So why are you exhausted by 2pm, carrying weight around your middle that won’t budge, and walking into rooms forgetting why? In this episode, I explain why...

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