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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 winter ...
A study completed in 2009 revealed that as little as twenty minutes of light exposure can improve the mood of those with SAD. [7] Additionally, it has been found that bright light (at a minimum of 2500 lux "at eye level") [ 8 ] has a higher rate of effectiveness than dimmer light levels in protecting against the "mood lowering" symptom that is ...
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, neonatal jaundice, and skin wound infections.
The effects of poor sleep hygiene shouldn’t be overlooked. ... like weakened immunity and mood changes. Other health effects can include: ... Blue light interferes with this process to prevent ...
It emits more blue light than traditional incandescent bulbs, potentially impacting the quality of sleep and eye health if used excessively at night. [2] [8] A person using a smartphone at night. Blue light is emitted by digital screens such as computers, tablets, smartphones, and televisions, which can lead to extended exposure in modern lives ...
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.
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
Said Palep, "At-home LED devices use lower frequencies, so [they] haven’t proven to be as effective or the results as dramatic as in-office treatments like the Blu-U light and micro pulsed Nd ...