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Ricardo Milos U Got That - Halogen (2017)

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I've been recommending incandescent light bulbs. But what about your kitchen? Your bathroom? Incandescents don't fit most of those fixtures. The answer: halogen bulbs. Glen Jeffery, UCL: "In the kitchen I have got a halogen lamp. When you get up in the morning and you're spending that 45 minutes doing stuff — there's a halogen lamp there on at the right time." Halogen is a type of incandescent. Almost identical full spectrum output. Infrared included. The key difference: Halogen bulbs contain halogen gas that redeposits tungsten back onto the filament as it evaporates — longer lifespan, same full spectrum output. The result: longer lifespan than a standard incandescent, higher operating temperature, and slightly whiter light — but still full spectrum with significant infrared output. Like incandescents, halogen bulbs have been phased out and banned across much of Europe and the UK. But they can still be found — Amazon, specialist lighting suppliers, some hardware stores still carry stock. And if you can dim them: "If you just turn the power down — which increases the amount of infrared light — the bulb will last almost forever." Jeffery's team ran a study in a windowless UCL building under harsh LED lighting. They replaced desk lamps with 40W incandescent bulbs — not aimed at eyes, just supplementing the environment. Two weeks later: color perception improved significantly — more than anything they'd seen with long-wavelength LEDs. They removed the bulbs. Came back six days later. The improvement was maintained. A month later — still maintained. Jeffery: "We are suffering from a suppression of our physiology via mitochondria that is just being produced by the built environment." The fix doesn't have to be complicated. Incandescent bulbs where you can. Halogen in the kitchen and bathroom where you can't. Indoor lighting environment sorted.

no.mind

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