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How does light therapy work?

Asked 4 months ago
Light therapy, a treatment that utilizes specific wavelengths of light, primarily aims to improve various health conditions by mimicking the effects of natural sunlight. The most frequently studied application is for Seasonal Affective Disorder, or SAD, a type of depression that occurs during the winter months due to reduced sunlight exposure. During light therapy, individuals sit near a light box that emits bright light at an intensity of around ten thousand lux. This light enters the eyes and influences the brain's production of certain neurotransmitters, such as serotonin, which can enhance mood and overall well-being. Additionally, light therapy can help regulate circadian rhythms, which govern sleep patterns and can be disrupted during darker months. Apart from mood improvement, light therapy has also shown promise in treating skin conditions, such as psoriasis and acne, by reducing inflammation and promoting healing. Furthermore, it has been used for pain relief and improving overall skin health. For specific products or additional guidance, one might consider checking the relevant page on lighttherapyproducts.com for the latest information.
Answered Oct 2nd 2025

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