Can BroadBand Light (BBL) on neck damage thyroid gland?

Question

I'd like to get BroadBand Light (BBL) on face, neck, and chest. My neck has very little fat and pretty thin skin. Could BBL damage my thyroid? I'm worried BBL could damage my thyroid and slow down my metabolism and cause weight gain.

Jeff Rapaport, MD · Answer

Broadband light, such as that emitted by certain types of lamps or devices, typically doesn't pose a direct risk of damaging the thyroid. However, prolonged exposure to very bright light, especially in the blue spectrum, could potentially disrupt circadian rhythms and melatonin production, which may indirectly impact thyroid function over time. 
Jeff Rapaport MD FAAD 
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Rebecca Gelber, MD · Answer

Thanks for doing your research. The good news is that there is more than 20 years of BBL use and data without evidence of any damage to the thyroid. We regularly treat the neck and chest in our office and have many patients who have been doing this for over a decade now.

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