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This suggests that light therapy may be an effective treatment for SAD. [34] Light therapy uses a lightbox, which emits far more lumens than a customary incandescent lamp. Bright white "full spectrum" light at 10,000 lux, blue light at a wavelength of 480 nm at 2,500 lux or green (actually cyan or blue-green [35]) light at a wavelength of 500 ...
The researchers found that people who were exposed to high amounts of light at night had a 30% increased risk of developing depression, along with a higher risk of psychosis, bipolar disorder ...
Norman E. Rosenthal is an American author, psychiatrist and scientist who first described seasonal affective disorder (SAD), and developed light therapy as a treatment. Rosenthal was born and educated in South Africa but moved to the United States to complete his medical training.
Parkinson's disease can generate mood swings and mood dysregulation such as depression, low self worth, shame and worry about the future caused by cognitive and physical problems. [129] And in Huntington's disease, common mood swings occur as a result of psychosocial, cognitive deficits, neuropsychiatric and biological factors. [130]
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Scintillating scotomas are most commonly caused by cortical spreading depression, a pattern of changes in the behavior of nerves in the brain during a migraine. Migraines, in turn, may be caused by genetic influences and hormones. People with migraines often self-report triggers for migraines involving stress or foods, [9] or bright lights. [10]