Abstract

Depression and obesity are highly prevalent illness and a mayor public health concern. These diseases have a great impact on morbidity and mortality of patients and affect the health and well-being of those who suffer them, as well as being affected in the socioeconomic aspect as a result of the functional deterioration and the spending of resources. Results of epidemiological studies, clinical trials and meta-analysis support the association between mood disorders and obesity, since both occur together in all the populations evaluated. The objective is to address the evidence regarding four aspects: (1) obesity and response to antidepressants, (2) depressive disorders and their effect on the progression of obesity, (3) treatment of obesity and the effect on outcomes among patients with depressive disorders, (4) the treatment of depressive disorders and their effect on obesity outcomes. Existing evidence supports the association between obesity and adverse health outcomes in individuals with depressive disorders. In addition, it highlights the concept that the treatment of one of the two diseases (obesity or depressive disorders) is relevant to improve the course of the other disease. It may be beneficial to explore the presence of a depressive disorders in overweight or obese subjects, as well as weight gain in subjects with depression. Knowing the effect of antidepressant drugs on body weight is relevant to facilitate adherence to long-term treatment.