T he is sue of The Ca na dian Jour nal of Psy chi a try that you have just opened is for the first time al most com pletely ded i cated to mood dis or ders—not sur pris ingly, per haps, because mood dis or ders have be come a ma jor chal lenge and inter est for both the prac tis ing cli ni cian and the ac a demic re searcher. An in creased life time risk for mood dis or ders has been reported f...