The Mitochondria Scientist: This Light Is Silently Aging You Faster | Dr Glen Jeffery

Sep 8, 2025

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Neuroscience professor Dr. Glen Jeffery from UCL reveals how LED lighting's blue light spike damages mitochondria, accelerates aging, and contributes to diabetes - while explaining simple solutions using red light therapy and incandescent bulbs to protect your health.

🌐Links in this video

Dr Jeffery's page at UCL https://profiles.ucl.ac.uk/7465-glen-jeffery

Links to the NASA Study and write up

Comprehensive Multi-omics Analysis Reveals Mitochondrial Stress as a Central Biological Hub for Spaceflight Impact

https://www.cell.com/cell/fulltext/S0092-8674(20)31461-6

https://www.nasa.gov/humans-in-space/mitochondrial-changes-key-to-health-problems-in-space/

Some papers mentioned in the inteview

Longer wavelengths in sunlight pass through the human body and have a systemic impact which improves vision

https://www.nature.com/articles/s41598-025-09785-3

Impact of short wavelength light exposure on body weight, mobility, anxiety like behaviour and cytokine expression

https://www.nature.com/articles/s41598-025-89081-2

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