Is a 'light deficiency' quietly ageing you faster? – with Professor Glen Jeffery

One of the most powerful tools for healthy ageing might be something you've barely thought about: light. Most of us spend the majority of our time under LED lighting that's stripped of the very wavelengths our bodies need to function well – and the impact on our metabolism, energy and long-term health is only just being understood.Professor Glen Jeffery, neuroscientist at UCL's Institute of Ophthalmology, joins Liz to explain why a light deficiency could be quietly accelerating ageing, what it means for your mitochondria, and the simple changes – starting with your light bulbs – that could make a real difference to how you feel and age.In this episode:Why infrared light is the most overlooked wavelength for human healthHow LED lighting creates a "light deficiency" – and why Glen calls it modern-day scurvyThe profound effect light has on your mitochondria and energy productionWhy morning light mattersWhat the research really says about red light face masks and infrared saunasHow changing your light environment could help regulate blood sugar and metabolismThe simple practical changes to make at home – and why Glen's first recommendation is to get a dogLinks mentioned in the episode:Anti blue light glassesGet in touch with a question for Liz:Email: [email protected]: 07518 471 846More from Liz:Preorder Liz’s new book – How to AgeA Better Second Half Follow Liz on InstagramFollow Liz Earle Wellbeing on InstagramSome links may be affiliate links, which help support the show at no extra cost to you. Read our Affiliate Policy for more information. Hosted on Acast. See acast.com/privacy for more information.