181: Your Brain Runs on Light: A PhD Neuroscientist on Near-Infrared Therapy and Cognitive Health

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PhD neuroscientist Ramona von Leden joins Meredith to connect the dots between light, sleep, mitochondrial health, and neurodegeneration. What's actually happening in an Alzheimer's brain? Why is sleep disruption the biggest modifiable risk factor? And what does near-infrared light have to do with clearing amyloid beta? A science-grounded, practical conversation for anyone navigating neurodegeneration in their family — or trying to prevent it.

Timestamps

• 00:00 Sleep, Light, and Brain Health
• 01:07 Why Doctors Often Miss the Role of Light
• 03:07 Meet Ramona von Leden
• 04:48 Circadian Tools and Sponsors
• 05:32 Ramona’s Neuroscience Background
• 08:15 Why Energetics Matter More Than Drugs
• 10:55 The Future Beyond Pharmaceuticals
• 15:21 Why Neurodegeneration Is Increasing
• 18:42 Mitochondria and Metabolism Basics
• 21:33 Circadian Disruption and Sleep Loss
• 25:26 Streetlights, Sleep, and Alzheimer’s Risk
• 31:36 Inflammation and Brain Fog
• 32:44 Alzheimer’s, Dementia, and Parkinson’s
• 36:52 Brain vs Nervous System
• 37:49 The Brain–Nervous System Feedback Loop
• 38:17 Mitochondria and Neurodegeneration
• 40:14 Caregiver Routines and Sleep Support
• 42:08 Movement, Light, and Screen Hygiene
• 46:12 Technology Overload and Stress
• 50:35 Autonomic Nervous System Basics
• 52:42 Near-Infrared Helmet Demonstration
• 57:35 User Results and Sleep Improvements
• 01:00:56 The Future of Supportive Brain Medicine
• 01:06:04 Where to Learn More
• 01:07:32 Outro and Resources

Resources mentioned

• Neuronic light helmet: neuronic.online
• Hello Brain Podcast (Ramona's podcast)
• Winback America Medical Affairs
• Braino vation Network
• Outdoor Nighttime Light Pollution Exposure Study

Connect with Ramona Von Leden, PhD

Website: neuronic.online

Podcast: Hello Brain Podcast

Socials: @inthezonawithramona @neuronic

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