Most obviously, there is a constant return to negative thoughts, such as powerlessness, lack of hope, feelings of worthlessness, futility, and of burdening others, so much so that sufferers often turn to suicide to as the only way out.
思想上，也很明顯會不斷出現負面想法，如無助、無望、無價值感，認為自己是多餘、是拖累家人的，憂鬱症患者因此常以自殺終結。