Background: The symptoms of anxiety are widely prevalent among the former opioid addicts in methadone maintenance treatment (MMT). It is clinically important to be aware of the severity of the co-morbidity as it plays a crucial role in the methadone dosage. length of time in treatment and the relapse rate and the co-existence of co-morbidity has been described as the factor which wors... https://www.mudrsat.com/product-category/waterpipe/