Good question. A unipolar depression is very different from a bipolar depression in many regards. E.g. likeliness to eat less vs. likeliness to eat more. And

Good question. A unipolar depression is very different from a bipolar depression in many regards. E.g. likeliness to eat less vs. likeliness to eat more. And a unipolar depression can possibly be treated and then be gone. (If the treatment works out.) If one has bipolar disorder, it won’t go away. One has to live with it the the whole life.