How LED Lighting is Harming Humans (+ New Study) with Glen Jeffery скачать в хорошем качестве

How LED Lighting is Harming Humans (+ New Study) with Glen Jeffery

In this insightful podcast discussion, friend of the podcast, Professor Glen Jeffery, sheds light on his recent study published in Nature (https://www.nature.com/articles/s4159...) Introduction In a world dominated by LED lighting, we often overlook its potential health consequences. Professor Glen Jeffery's groundbreaking study highlights the significant effects of artificial lighting on our vision and overall metabolic health. The Research Background Professor Jeffery begins by addressing growing concerns about how artificial lighting affects our health, particularly in environments with scarce natural light. The study was conducted in a building at University College London. The hypothesis was that the lack of natural light and the prevalence of LED lighting could be detrimental to overall health, particularly in terms of colour perception and metabolic functions. The Experiment The unique aspect of this study was its real-world setting. Instead of a controlled laboratory, the researchers chose an office environment where participants would typically work. Participants were given old incandescent light bulbs, which emit a broader spectrum of light, including infrared, crucial for metabolic health. Surprising Results The results were striking: participants showed a highly significant improvement in their vision after only a short exposure to incandescent lighting. This improvement persisted for months after the bulbs were removed, suggesting that exposure to a broader spectrum of light is vital for visual and metabolic health. Professor Jeffery emphasised that this study is a wake-up call about the damaging effects of LED lights, which may suppress our physiological functions, including colour vision. The Importance of a Balanced Light Spectrum Professor Jeffery highlighted that while LED lighting is often considered energy-efficient, it poses risks to human health by limiting the spectrum of light we are exposed to. He discussed the need for architects and lighting engineers to rethink building design, emphasising the importance of incorporating a wider spectrum of light for optimal health. The study also raised concerns about the glass materials used in buildings, which block essential infrared light. Moving Forward: Practical Solutions To address these challenges, Professor Jeffery suggests we don’t need to eliminate LEDs entirely. Instead, he advocates a balanced approach to lighting by integrating incandescent bulbs into our environments. Simple measures, such as using incandescent bulbs with dimmer switches, can mitigate the negative effects of LED lighting. He also urges policymakers to rethink regulations surrounding incandescent bulbs to ensure a healthier future. Key Takeaways LED lighting may impair our vision and metabolic health. Exposure to incandescent bulbs can significantly improve colour perception and overall well-being. A balanced approach to lighting, incorporating a variety of light sources, is essential for our health. Policymakers must prioritise health implications when designing lighting regulations. The paper is available for download here: https://www.nature.com/articles/s4159... Sunlight Matters is a podcast exploring the role of the Sun in human health, architecture, cities, and everyday life. Through conversations with scientists, architects, and technologists, the series examines how natural light shapes our bodies, our buildings, and the way we live indoors. Hosted by Dave Wallace, Sunlight Matters asks a simple but overlooked question: what happens when we disconnect from the Sun? Because sunlight isn’t optional. It matters. Please do not forget to Like and Subscribe. ══════════════════ 🔔 Subscribe for exciting updates! @shadowmap_org ☀️ Website: https://shadowmap.org/ ☀️   / shadowmap_org   ☀️   / shadowmap_org   ☀️   / shadowmap   ☀️   / shadowmap   ☀️   / shadowmap.org   00:00 Introduction to the Study 04:48 Impact of LED Lighting on Health 08:34 Real-World Experimentation and Findings 13:14 Rethinking Lighting Policies 17:16 The Cost of Poor Lighting on Health 20:51 Light as Nutrition in Care Homes 23:14 The Role of Sunlight and Metabolism 27:29 Concerns About Overexposure to Light 31:09 Future Research Directions 38:18 Resistance to Change in Lighting Practices 46:07 Introduction to Sunlight Matters 46:38 Exploring Sunlight's Impact on Design and Living