"Fast" (as in fasting, not fast quick :D) Cure for Depression by Dr Bilal Philips of Islamic Online University. ~ In sha Allah it works when one wants it to, and do it (successfully) with Allah's Grace & Mercy & Help.
Indeed, Allah [alone] has knowledge of the Hour and sends down the rain and knows what is in the wombs. And no soul perceives what it will earn tomorrow, and no soul perceives in what land it will die. Indeed, Allah is Knowing and Acquainted.