Most people think dementia starts in the brain — but what if the real story begins with the heart?

In this eye-opening episode, preventive cardiologist Dr. Josh Yamamoto reveals how the same changes that happen to our blood vessels as we age can quietly affect memory, clarity, and long-term brain health. He breaks down what’s normalaging versus what’s preventable, and explains why inflammation, stiffening arteries, and even subtle rhythm shifts can set the stage for vascular dementia long before symptoms appear.

Dr. Yamamoto also shares the surprising roles that genetics, diabetes, smoking, and everyday lifestyle habits play in how quickly our vessels age — and what we can do to slow the process. From early warning signs to statins and smart prevention strategies, this conversation is packed with practical, science-based guidance to protect both your heart andyour brain.

If you’ve ever wondered whether dementia risk is something you can actually influence, this episode will leave you informed, empowered, and hopeful.