David Olszewski educates us further in the secrets of light. Learn about lasers, LEDs, and how single-frequency light can heal the body.
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Light Energy Company co-founder David Olszewski reminds us why we need sunlight and provides valuable information on lighting products.
David Olszewski discusses fluorescent, incandescent, ultraviolet, and sunlight in this breathtaking interview.
Dr. Michael Holick, the author of The Vitamin D Solution, gives us a deeper look into the role of vitamin D in the body and the importance of the sun in overall health.
