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Light Therapy Throughout The Years

Classically known as heliotherapy, light therapy is exposure to artificial light to treat psychological disorders such as seasonal affective disorder (SAD), non-seasonal depression, circadian rhythm sleep disorders and jet lag, sleep disorder in Parkinson's disease and Alzheimer’s disease. Skin conditions such as atopic dermatitis, acne vulgaris, psoriasis, vitiligo and skin cancer are also being treated using light therapy. If you think light therapy is a latest advent of modern scientific knowledge and research, you might be surprised as you read further. History of light therapy dates back to the Greeks who had a firm belief that exposure to light is beneficial to a human body. Light therapy in the ancient times Even when man did not know of vitamin D...

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