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Risk of depression is higher in elderly patients with lowest serum cholesterol values

EDITOR,—We read with interest Paul H A Steegmans and colleagues' short report on serum cholesterol concentration and serotonin metabolism.1 We would like to add support to the hypothesis of an association between low serum cholesterol concentration and depression with data obtained in our geriatric evaluation and rehabilitation unit.

Data in this study were taken from 476 elderly patients consecutively admitted to our unit over 12 months (mean age 78.8 (SD 7.4); 70% women). …