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The device has a CE Class II(a) medical device certification for treating seasonal affective disorder (SAD) and is continuously clinically tested.
Dietrich School of Arts and Sciences, along with a team of researchers from Pitt's School of Medicine and Reyerson University, investigated why, according to a previously published sleep study by the University of California, Berkeley, individuals with seasonal affective disorder incorrectly reported that they slept four more hours a night in the winter.
The autumn and winter months can bring on seasonal affective disorder
With some people, reverse seasonal affective disorder (spring and summer) can bring on symptoms of mania or a less intense form of mania (hypomania).
Dr Oscar Franco, who led the research, said: "More studies are still needed to evaluate whether vitamin D is associated with Seasonal Affective Disorders, but our study does raise questions about the effects of taking more vitamin D to combat depressive symptoms.
Seasonal Affective disorder is believed to produce symptoms of depression during the dark months.
The site also includes information on appropriate holiday alcohol consumption, helping children cope with holiday stress, and managing seasonal affective disorder (SAD).
See the light: A silicone-filled cushion that illuminates is helping some people combat seasonal affective disorder, also called winter depression.
Seasonal affective disorder affects half a million people.
A SEASONAL affective disorder is caused by a biochemical imbalance, triggered by the shorter daylight hours.
QI SUFFER from Seasonal Affective Disorder and I every winter I struggle not to get depressed.
And it's no laughing matter, according to mental health experts, who've classified the condition as Seasonal Affective Disorder -- SAD -- an illness that affects millions each year.