Your office job is slowly killing you - and the lights, air, and windows are to blame. Here's why.
I have an important message for you. It is especially important if you are working in an office. It is related to your health. And if you don't know it yet, here it is: your office job is killing you. I am not talking about how it might be stupid to work in an office today, or that you could do better things with your life. No. I mean it literally.
Your office job is killing you.
It was not always the case. Forty or fifty years ago, it probably wasn't. But today it is, and I am going to explain to you very simply why. If you need some confirmation or want to double-check my sources, you can do that by using Perplexity, Claude or any search tool and asking whether what I am talking about is true or not. You will be able to verify my statements for yourself.
If you are working in an office, you probably already feel to some degree that there could be something to what I am saying. That the office could be toxic. That it could be slowly killing you. But even if you are not working in an office, let me paint you the picture.
The commute is just the beginning
You go in at a certain hour. You are enclosed in a building. But this enclosure is preceded by a commute. A commute that is stressful because everyone is rushing to work at the same hour. If you are using public transport, the people around you are stressed too. There is distrust. There is tension. Public transport is underscaled for the needs of rush hour, so you can have trouble finding a place in your tram, your bus, or your train. You are commuting stressed, surrounded by stressed people.
And if you don't know it, cortisol - the stress hormone - is very bad for every organ in your body, including your heart and your mind. So before you even arrive at work, your body is already under pressure.
Then you arrive in the enclosed office that your company gives you as your place to work. The air inside is artificial, pumped in through ventilation systems. On the windows - which are not openable, you simply cannot open them - there is a filter. That filter strips the sunlight of roughly eighty percent of UVA, UVB, and infrared. The goal is to avoid heating the space inside, because in the summer it gets too hot in office buildings. So the solution is to block the very light your body needs.
The light that is slowly breaking you
The office is lit with LEDs. LED bulbs are very narrow-band light sources, dominated by toxic blue light and almost nothing else. Very little of the other light spectrum gets through. And there is no infrared, because the heat from a traditional halogen or incandescent bulb was considered wasteful - it just went into the air, and that was labeled as bad. So it was stripped from those LED lights.
Here is something interesting. Landlords are often forced by investment banks and investment funds - which usually participate in or own these buildings - to exchange the old incandescent bulbs for new LEDs. Why? Because they can show that the building is "green". They can receive an ecological certification. They can check a box. And this is all done at the expense of the people working inside.
This is pretty universal across the board. Every employee in the office is being irradiated with toxic blue light, including the owners and the managers. Nobody is exempt. On top of that, everyone is looking at screens that also emit toxic blue light and very little of everything else your eyes and body actually need.
What you are really sitting in
So let me put this together for you. You go to an enclosed space. Artificial air is pumped inside. You sit in a cubicle or maybe in an office. The windows have filters that strip eighty percent of what you need for your health. You are being forced to look at blue-light-emitting screens. You are working under blue-light-emitting LEDs. The air is recycled. The sunlight is blocked. The light around you is synthetic and incomplete.
The result is that you are aging five times faster inside such an office than you would normally - just by walking outside or at least working with incandescent or halogen bulbs.
That is not a small thing. That is not something to brush off. It is something to take seriously. The good news is that once you know what is happening, you can start making changes. You can get outside more during the day. You can look into better lighting for your workspace. You can take your breaks in natural light. You can push back against the sealed, filtered, LED-drenched box they put you in. Your health is worth more than any green certification on a building. Start by simply stepping outside.
Or quit the office job, if you can.
Do your own research
If you want to verify what I am saying, here are the studies and sources. I encourage you to read them, check them, and come to your own conclusions. The science is there, and it is not hiding.
On sunlight, infrared and mitochondrial health:
- Barrett & Jeffery (2026) - "LED lighting (350-650nm) undermines human visual performance unless supplemented by wider spectra (400-1500nm+) like daylight" - a study showing that LED lighting lacks the longer wavelengths needed for healthy mitochondrial respiration, and that supplementing with broader spectrum light improved visual function by 25% in office workers: Scientific Reports, Nature
- Shinhmar et al. (2025) - "Longer wavelengths in sunlight pass through the human body and have a systemic impact which improves vision" - showing that infrared wavelengths from sunlight penetrate through the body and improve mitochondrial function even without reaching the eyes directly: Scientific Reports, Nature
- Powner et al. (2024) - "Light stimulation of mitochondria reduces blood glucose levels" - demonstrating that red light exposure at 670nm reduced blood sugar elevation by 27.7% by boosting mitochondrial activity: Journal of Biophotonics, Wiley
- Kooijman et al. (2023) - "Effects of Near-Infrared Light on Well-Being and Health in Human Subjects with Mild Sleep-Related Complaints" - a double-blind, placebo-controlled study showing that near-infrared light exposure improved mood, reduced drowsiness, and lowered resting heart rate, especially during winter when sunlight is scarce: PMC
- Dr. Glen Jeffery on the Huberman Lab podcast - explaining how long-wavelength light enhances mitochondrial function, improves metabolism, blood glucose regulation, and eyesight, and how LED bulbs impair mitochondrial health: Huberman Lab
On blue light damage to mitochondria:
- Tao et al. (2019) - "Mitochondria as Potential Targets and Initiators of the Blue Light Hazard to the Retina" - a comprehensive review showing that excessive blue light from LEDs causes oxidative stress in retinal mitochondria and triggers cell death pathways: PMC
- Giebultowicz et al. (2022) - "Age-dependent effects of blue light exposure on lifespan, neurodegeneration, and mitochondria physiology in Drosophila melanogaster" - showing that blue light from LEDs impairs mitochondrial respiratory function and accelerates neurodegeneration, with effects worsening with age: npj Aging, Nature
- Sheridan et al. (2025) - "The Effect of Blue Light on Mitochondria in Human Dermal Fibroblasts and the Potential Aging Implications" - demonstrating that blue light causes significant mitochondrial DNA damage, dysfunction, and increased free radical production in human skin cells, creating a cycle associated with premature aging: PMC
- Bian et al. (2023) - "Long-term blue light exposure impairs mitochondrial dynamics in the retina" - showing that long-term blue light exposure destroys and disrupts mitochondria in retinal cells both in living mice and in laboratory cell cultures: Journal of Photochemistry and Photobiology B, ScienceDirect
On indoor air quality in office buildings:
- Saini et al. (2020) - "Indoor Air Quality in Buildings: A Comprehensive Review on the Factors Influencing Air Pollution in Residential and Commercial Structure" - confirming that people spend over 90% of their time indoors, that indoor air is more contaminated than outdoor air, and that this has significant impacts on health: PMC
- Wyon (2004) - "The effects of indoor air quality on performance and productivity" - showing that poor indoor air quality reduces office work performance by 6-9%: PubMed
- OSHA - "Indoor Air Quality" - tying poor indoor air quality to headaches, fatigue, trouble concentrating, and irritation of the eyes, nose, throat and lungs, as well as long-term risks including respiratory diseases, heart disease, and cancer: OSHA
- European Commission SCHEER - "Are LED lights safe for human health?" - noting that LEDs lack the infrared emission present in traditional lighting and that this might influence normal bioprocesses in humans: European Commission
Read these. Check them. And then decide for yourself whether the sealed, filtered, blue-light-drenched box you sit in every day is worth the paycheck. Your mitochondria already know the answer.
