I always found it odd that everyone insisted I avoid sunlight and wear sunscreen during outdoor activities, as I noticed that sunlight felt great and caused my veins to dilate, indicating the body deeply craved sunlight. Later, I learned that blocking natural light with glass (e.g., with windows or eyeglasses) significantly affected health, and that many had benefitted from utilizing specialized glass that allowed the full light spectrum through. This ties into one of my favorite therapeutic modalities, ultraviolet blood irradiation, which produces a wide range of truly remarkable benefits by putting the sun’s ultraviolet light inside the body.
Once in medical school, aware of sunlight’s benefits, I was struck by dermatologists’ extreme aversion to it. Patients were constantly warned to avoid sunlight, and in northern latitudes, where people suffer from seasonal affective disorder, dermatologists even required students to wear sunscreen and cover most of their bodies indoors. At this point my perspective changed to “This crusade against the sun is definitely coming from the dermatologists” and “What on earth is wrong with these people?”
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