Abstract Background In North America. opioid use has become a public health crisis with policy makers declaring it a state of emergency. Opioid substitution therapy (OST) is a harm-reduction method used in treating opioid use disorder. While OST has shown to be successful in improving treatment outcomes. https://ashleyshomestores.shop/product-category/outdoor-left-and-right-arm-loveseat-with-cushion/