Controlled trial evaluation of exposure duration to negative air ions for the treatment of seasonal affective disorder
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DOI: 10.1016/j.psychres.2017.08.040
Abstract: This study evaluated the effectiveness of 30 or 60min of daily exposure to high-density or to zero-density (placebo condition) negative air ions over 18 days on the symptoms of seasonal affective disorder (SAD) in 40… read more here.
Keywords: air ions; high density; negative air; air ... See more keywords