Healing Therapies {17} ~ Light Therapy/Phototherapy/Heliotherapy

Light therapy—or phototherapy, classically referred to as heliotherapy—consists either of exposure to daylight or some equivalent form of light as a treatment for seasonal affective disorder (SAD), or exposure of the skin to specific wavelengths of light using polychromatic polarised light to treat a skin condition.

It is used as a treatment for wintertime seasonal affective disorder and in circadian rhythm disorders, such as delayed sleep phase disorder. There is tentative evidence to support its use to treat non-seasonal psychiatric disorders, in particular major depression and depression in bipolar disorder.

As a treatment for disorders of the skin, the second kind of light therapy, called ultraviolet light therapy, is meant to correct psoriasis, acne vulgaris, eczema and neonatal jaundice.

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