Uploaded April 2026 | Updated September 2026, 2 weeks ago

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Dr. Glen Jeffery and Dr. Andrew Huberman discuss the public health risk of modern LED lighting, detailing how the imbalance of wavelengths damages mitochondria and causes systemic issues like weight gain and fatty liver disease.

Dr. Glen Jeffery, PhD, is a professor of neuroscience at University College London and a leading expert on how different colors (wavelengths) of light impact cellular, organ and overall health. Dr. Andrew Huberman is a tenured professor of neurobiology and ophthalmology at Stanford University School of Medicine and host of the Huberman Lab podcast.

Watch the full episode: youtu.be/iT8W6kaD-RA?si=PwpMX6umRGIpp7xW
Show notes: go.hubermanlab.com/gwX6N6d

*Timestamps*
00:00 Why LED Lights Are A Public Health Issue
01:26 Hidden Dangers of Blue Light
02:03 Mitochondrial Effects & Animal Studies
03:33 Systemic Health Implications
04:38 Balancing Light for Better Health
08:21 Comparing LED Light to Sunlight
10:25 Future of Light & Health

Disclaimer & Disclosures: hubermanlab.com/disclaimer