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  2. Seasonal affective disorder - Wikipedia

    en.wikipedia.org/wiki/Seasonal_affective_disorder

    Seasonal affective disorder ( SAD) is a mood disorder subset in which people who typically have normal mental health throughout most of the year exhibit depressive symptoms at the same time each year. [ 1][ 2] It is commonly, but not always, associated with the reductions or increases in total daily sunlight hours that occur during the summer ...

  3. Light therapy - Wikipedia

    en.wikipedia.org/wiki/Light_therapy

    Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, and skin wound infections.

  4. Dark therapy - Wikipedia

    en.wikipedia.org/wiki/Dark_therapy

    A form of dark therapy is to block blue wavelength lights to stop the disintegration of melatonin. [3] This dark therapy concept was originated back in 1998 from a research which suggested that systematic exposure to darkness might alter people's mood. [4] Original studies enforced 14 hours of darkness to bipolar patients for three nights straight.

  5. Light-emitting diode therapy - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode_therapy

    Light-emitting diode therapy (LEDT) is a clinical approach that applies different wavelengths of light to cure diseases or conditions with skin-safe lights. Following NASA's innovation in the 1990s with Light Emitting Diodes (LEDs) that emit a specific narrow light spectrum, LED Therapy (LEDT) showed significant potential. [ 1]

  6. Blue light spectrum - Wikipedia

    en.wikipedia.org/wiki/Blue_light_spectrum

    The blue light spectrum is an essential part of the visible spectrum with wavelengths of about 400-480 nm. [1] Blue light is primarily generated by Light-Emitting Diodes (LED) lighting and digital screens, it has now become prevalent in the world around us. [2] LED lighting creates white light by combining blue light with other wavelengths ...

  7. Occupational therapy in the management of seasonal affective ...

    en.wikipedia.org/wiki/Occupational_therapy_in...

    Occupational therapy is used to manage the issues caused by seasonal affective disorder (SAD) [citation needed]. Occupational therapists assist with the management of SAD through the incorporation of a variety of healthcare disciplines into therapeutic practice. Potential patients with SAD are assessed, treated, and evaluated primarily using ...

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