Cari Vann | Movement Craft | Movement Is Medicine

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Understanding Alzheimer’s as “Type 3 Diabetes”: Protecting Your Brain with Simple Lifestyle Changes

In this week’s Better Than A Pill episode, I’m joined by Shannon Davis, a dietitian who specializes in metabolic health. Today, we’re diving into something that hits close to home for me—the connection between insulin resistance and Alzheimer’s, which many are now calling “Type 3 Diabetes.” Learning that Alzheimer’s may be influenced by something as everyday as our food choices was eye-opening.

Shannon explained that insulin resistance doesn’t just affect our body—it can deprive our brains of energy. When we eat high-carb, processed foods all the time, it can lead to insulin resistance, which blocks glucose from getting into our cells, leaving our brain underpowered. If this goes on, it contributes to cognitive decline. It was eye-opening to hear how much these simple, seemingly harmless choices affect our brain long-term.

Shannon also shared that movement is key, but it doesn’t have to be exhausting or time-consuming. A short 10-minute walk, some gentle stretching—these small, easy movements are powerful and help keep our brains healthy. For me, moving daily isn’t about hitting the gym for hours; it’s about keeping my body and mind active, and feeling good day-to-day.

Supplements can also play a role. Shannon mentioned how supplements that improve insulin sensitivity can support brain health. While there’s a place for medication, lifestyle changes are often more effective and don’t come with side effects. Shannon’s advice made me feel hopeful about managing my health in a way that feels empowering and sustainable.

If you’re like me and have a family history of Alzheimer’s or just want to prevent cognitive decline, this episode has so many practical tips. It’s a reminder that our daily choices matter—and that a healthy mind is in our hands. Alzheimer’s is something we can all take small steps to prevent, and I hope you’ll find this conversation as motivating as I did.