Aerobic exercise is effective for mild to moderate depression

Question Is aerobic exercise effective in treating mild to moderate depression?

Synopsis Exercise may be an effective treatment for adults with major depressive disorder. The investigators randomly assigned (concealed allocation assignment) 80 adults, aged 20 to 45 years, with mild to moderate depression, to one of five exercise treatment groups: 7.0 kcal/kg/week (low dose) performed in either three or five sessions per week; 17.5 kcal/kg/week (high dose) performed in either three or five sessions per week; or a flexibility exercise only (control) three days per week. …