Attention-deficit/hyperactivity disorder (ADHD) is characterized by a persistent and pervasive pattern of inattention and/or hyperactivity-impulsivity. Emerging data suggest higher than expected rates of binge eating occur in subjects with ADHD. Several hypotheses may explain this newly described comorbidity: 1) inattention and/or impulsivity foster binge eating, 2) ADHD and binge eating share common neurobiolog-ical bases, 3) binge eating contributes to ADHD, or 4) psychopathological factors common to both binge eating and ADHD mediate the association. In patients with ADHD and binge eating, both conditions might benefit from common therapeutic strategies. Further research is needed to gain insight into the association between ADHD and binge eating in order to facilitate more appropriate clinical management and, ultimately, a better quality of life for patients with both conditions.