The aim of our protocol is to investigate the effectiveness of one type of noninvasive brain stimulation technique, transcranial direct current stimulation (TDCS) on food intake in significantly overweight (BMI > 30 kg/m(2) individuals. In study 1, we will enroll individuals who previously participated in this study and compare how anodal (active) stimulation or sham (no stimulation) to the left DLPFC compares to their previous stimulation condition in terms of both weight loss and food intake. The aim of Study 2 is to compare active versus sham anodal LDLPFC stimulation in a new group of volunteers.