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Once our melanopsin (light) receptor is desensitized, as can often happen via blue light from our devices, the enzymatic pathway of vitamin A can be irreversibly damaged.

This is important because when we also destroy our stores of retinol, or vitamin A, we lose the ability to make: thyroid hormone, progesterone, testosterone, growth hormone:

https://romanshapoval.substack.com/p/the-1-emf-youve-forgotten-about

Love your emphasis on melatonin, and your approach in general. Thank you for putting out this content. So many people aren't aware of how light affects us. This is why I aim to educate others so that they can heal with simple yet effective strategies like Sunlight.

Thanks also for mentioning aluminum toxicity, which can't be overstated.

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Greetings,

I thought I saw a coupon to purchase a Sperti vitamin D lamp from your site, but cannot find it. Have I fabricated this in my mind?

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