Sound body and sound mind are coexisting... Need to correct the mental status through body... The every Life has 4 dimensions .. Physical Sensual Psychological Spiritual... These 4 are interlinked and interdependent. The harmony in these 4 is health... if the harmony is disturbed diseases... which may affect any dimension.. These 4 dimensions get nourishment through 3 .... 1. Food: nourishes  Physical and sensual aspect and maintains the harmonic link between body and senses 2. Sleep: nourishes sensual and psychological harmony.. 3. Activity: Our work/ job/ behaviour towards our surrounding nourish the harmony between mind and soul...that is psychological and spiritual harmony.. If the origin of problem is traced through lifestyle related these three food sleep activity, then diagnosis and cure becomes crystal clear