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Using Red Light to Improve Metabolism & the Harmful Effects of LEDs | Dr. Glen Jeffery

Huberman Lab

The Huberman Lab podcast is hosted by Andrew Huberman, Ph.D., a neuroscientist and tenured professor in the department of neurobiology, and by courtesy, psychiatry and behavioral sciences at Stanford School of Medicine. The podcast discusses neuroscience and science-based tools, including how our brain and its connections with the organs of our body control our perceptions, our behaviors, and our health, as well as existing and emerging tools for measuring and changing how our nervous system works.
Huberman has made numerous significant contributions to the fields of brain development, brain function, and neural plasticity, which is the ability of our nervous system to rewire and learn new behaviors, skills, and cognitive functioning. He is a McKnight Foundation and Pew Foundation Fellow and was awarded the Cogan Award, given to the scientist making the most significant discoveries in the study of vision, in 2017. 
Work from the Huberman Laboratory at Stanford School of Medicine has been published in top journals, including Nature, Science, and Cell, and has been featured in TIME, BBC, Scientific American, Discover, and other top media outlets.
In 2021, Dr. Huberman launched the Huberman Lab podcast. The podcast is frequently ranked in the top 10 of all podcasts globally and is often ranked #1 in the categories of Science, Education, and Health & Fitness.

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. He explains that long-wavelength light (red, near-infrared and infrared) can enter the body and brain to enhance mitochondrial function and thereby improve metabolism, eyesight, blood glucose regulation, mood, hormones and more. We also discuss how short-wavelength light from LED bulbs can impair mitochondrial health and why balanced, full-spectrum light is essential for health. Dr. Jeffery shares simple yet powerful ways to use natural and artificial light sources to enhance your metabolic function, eyesight and longevity.

Sponsors

AG1: https://drinkag1.com/huberman

Wealthfront*: https://wealthfront.com/huberman

Joovv: https://joovv.com/huberman

Rorra: https://rorra.com/huberman

Function: https://functionhealth.com/huberman

Timestamps

00:00 Glen Jeffery

03:12 Light, Ultraviolet (UV), Visible & Infrared (IR) Light

06:25 Light's Impact on the Body & Light, Sunburn, Cataracts

09:55 UV Light, All-Cause Mortality, Skin Cancer

14:55 Sponsors: Wealthfront & Joovv

17:58 Light Impacts Mitochondria Function & Structure, Long-Wavelength Light (Red/IR), Nano Water

25:00 Long-Wavelength Light Passes Through Clothing & Body; Tissue Scattering

30:08 Long-Wavelength Light & Blood Glucose; Mitochondria

36:19 Red Light, Parkinson's Disease, Cell Death; Eye Rods & Aging; Mitochondria Community

42:46 Red/IR Light, Skull & Brain; Safe Non-Ionizing Radiation

48:22 Sponsors: AG1 & Rorra

51:04 Offsetting Retinal Aging, Improve Vision & Long-Wavelength Light

59:28 Tool: Long-Wavelength Light & Preserve Retinal Mitochondria; Sunlight

1:03:50 Mitochondrial Theory of Aging, Circadian Rhythm & Mitochondria

1:07:57 Tool: Improve Vision with Long-Wavelength Light

1:10:44 Macular Degeneration, Rescuing Vision, Early Intervention

1:13:59 Light Effects at Local vs Distant Tissues, Immune System, Body Communication

1:19:09 Sponsor: Function

1:20:56 Short-Wavelength Light, LED Light, Mitochondria & Serious Health Detriments

1:28:39 Lifespan, LED Lights; Sunlight & Balanced Wavelengths; "Sunlike" Marketing

1:34:45 Fires, Incandescent Lights vs LED Lights, Lasers; Long-Wavelength Devices

1:39:07 Incandescent & Halogen Bulbs, Mitochondria & Built Environments 

1:45:19 Windows, Light & Office Work; Screens, Kids & Myopia; Tools: Plants; Lighting

1:55:56 Bring the Outdoors Indoors

2:00:35 Tool: Candlelight; Dim Halogen Lamps

2:05:06 Mitochondrial Diseases, Children & Long-Wavelength Light; Light Bulbs

2:11:53 Zero-Cost Support, YouTube, Spotify & Apple Follow, Reviews & Feedback, Sponsors, Protocols Book, Social Media, Neural Network Newsletter

*This experience may not be representative of other Wealthfront clients, and there is no guarantee of future performance or success. Experiences will vary. The Cash Account, which is not a deposit account, is offered by Wealthfront Brokerage LLC, member FINRA/SIPC.  Wealthfront Brokerage is not a bank. The base APY is 3.50% on cash deposits as of November 07, 2025, is representative, subject to change, and requires no minimum. If eligible for the overall boosted rate of 4.15% offered in connection with this promo, your boosted rate is also subject to change if the base rate decreases during the 3 month promo period. Funds in the Cash Account are swept to program banks, where it earns the variable APY. New Cash Account deposits are subject to a 2-4 day holding period before becoming available for transfer. Investment advisory services are provided by Wealthfront Advisers LLC, an SEC-registered investment adviser. Securities investments: not bank deposits, bank-guaranteed or FDIC-insured, and may lose value.
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Using Red Light to Improve Metabolism & the Harmful Effects of LEDs | Dr. Glen Jeffery

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