Adult 1 Binge eating 1 Comorbidity 1 Eating 1 Feeding and Eating Disorders 1 Female 1 Humans 1 Loss of control eating Male 1 Methadone 1 Middle Aged 1 Obesity 1 Opioid use disorders 1 Overweight 1 Pain 1 Prevalence 1 Substance use disorders 1 Substance-Related Disorders 1 Surveys and Questionnaires 1 adult 1 comorbidity 1 drug dependence 1 eating 1 eating disorder 1 female 1 human 1 male 1 methadone 1 middle aged 1 obesity 1