Light-Emitting Earphones Can Cure Winter Blues
Valkee is a portable device that claims to cure seasonal affective disorder by shining light into your ears.
Seasonal affective disorder, often refereed to as SAD, is a mood disorder that results from the lack of sunlight. Many people, especially office workers, have SAD during winter months when days are shorter. To counter this problem, Finnish designers have come up with the Valkee device which shines light directly into your ears.
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