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This study is comparing ASCORBIC ACID with colloidal Silica for people with The trial aims to treat depression. The incidence of major depression in the elderly accounts for between 3.6 and 4.8% and increases to 8 to 37.4% when depressive disorders in general is studied. B or Elderly. Participants receive ASCORBIC ACID or colloidal Silica and complete study visits and assessments. Some participants may receive colloidal Silica instead of the study treatment, and direct benefit is not guaranteed.
