EPISODE · Aug 26, 2026 · 46 MIN
We Banned The Only Healthy Light Bulb | Dr Martin Moore-Ede
from Degrees of Health
Part one with Dr Martin Moore-Ede passed half a million views, so he's back with the revised edition of The Light Doctor, and this time the conversation goes beyond the visible spectrum entirely.Dr Moore-Ede led the Harvard team that located the human body's master circadian clock. In this episode, he makes the case that the light entering your eyes matters as much to your health as the food you eat, the water you drink and the air you breathe and that modern LED lighting has quietly stripped out most of the spectrum our biology evolved to expect.Ben and Martin cover the ultraviolet and near-infrared wavelengths missing from the first edition, why melatonin isn't a sleep hormone, how infrared light fuels your mitochondria, the deep violet wavelength linked to childhood myopia (and blocked by your own windows), and why the lighting design industry has been so slow to catch up.MILESTONE MOMENTS⚡ 08:32 — Point a spectrophotometer at daylight and you get the full rainbow, evenly balanced. Point it at your living room and you get a blue spike and a yellow-green hump. Nothing else.⚡ ~15:20 — The 20-year-old study almost nobody talks about: blood drawn from women in darkness suppresses human tumour growth in rats. Blood drawn from women under light at night doesn't.⚡ 17:03 — Ben shares his mother's cancer journey, stage four to all clear, and the role light hygiene played in her protocol.⚡ ~21:00 — Circadian lighting in elderly care homes: better memory, better sleep, and around 40% fewer falls.⚡ ~25:30 — Add a single incandescent desk lamp to a windowless basement office and people's colour vision measurably improves.⚡ ~26:40 — We've had infrared in our evenings for half a million years, from fire and candlelight. Then we banned the bulbs that provided it.⚡ ~36:30 — Deep violet light at 380nm appears to protect against myopia — and energy-efficient window glass filters it out.⚡ 32:20 — How healthy lighting actually got adopted: skip the lighting designers, go to the people managing the workforce. 65 Fortune 500 companies followed.CHAPTERS00:00 — Welcome back: half a million views on Part One01:44 — Why a revised edition? The science that moved04:23 — The problem: what your eyes see vs what your body detects08:32 — Sunlight vs your living room, measured10:43 — Melatonin explained (and why it's not a sleep hormone)15:20 — Light at night, melatonin and cancer: the evidence17:03 — Ben's mother's cancer journey and the light protocol17:50 — Blindness, breast cancer risk and the "light diet"19:37 — Is modern oncology overlooking the light environment?21:00 — Hospitals, ICUs, care homes and circadian lighting trials23:30 — Near-infrared and your mitochondria25:30 — The incandescent bulb experiment at UCL27:31 — Are we solar-powered? Educating policy makers28:19 — Why lighting designers are the bottleneck30:33 — What will the inflection point be?30:59 — Red light panels vs healthy ambient light32:56 — Making the economic case for circadian lighting34:51 — Green light: migraines, pain and calm35:36 — Yellow, and then deep violet36:30 — Violet light, myopia and why windows block it38:10 — Could doctors prescribe light instead of drugs?40:15 — Light, mood, ADHD and children's classrooms41:55 — Designing buildings for dynamic light44:39 — Where the next breakthroughs will come from46:07 — Where to find the bookLINKS📕 The Light Doctor (revised edition) — thelightdoctor.comAvailable now in the UK, US and Canada. Ebook September, audiobook October.-------------------------------------------------------------------------------------------------------------------------🌈 Exploring the benefits of red and infra light therapy? Our community receive 10% off the FlexBeam from Recharge Health via this link: ⬇️https://rechargehealthas.sjv.io/DyJ3mn (learn more about the benefits of healing with light in our 'Light as Medicine' Playlist). Hosted on Acast. See acast.com/privacy for more information.
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We Banned The Only Healthy Light Bulb | Dr Martin Moore-Ede
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