 This research study is aimed at the prevention of excessive weight gain in female military dependents at high risk for adult obesity. The purpose of this study is to determine whether reducing Loss of Control LOC eating and associated indicators through use of interpersonal psychotherapy IPT will be feasible and acceptable to female adolescent dependents who report such behaviors. Moreover, patterns in the data will be examined to assess whether IPT influences body weight gain trajectories and prevent worsening disordered eating and metabolic functioning among female military dependents at heightened risk for unhealthy weight gain. 