These include reduction in non-health care opioid use, mortality and morbidity (such as due to opioid overdose, HIV and viral hepatitis), decreasing chance of crime and incarceration, much better retention in procedure, quality of life and overall wellbeing. From the tips on community management of opioid overdose, WHO suggests https://finngnqrr.blogoxo.com/38925106/the-what-is-the-drug-conolidine-used-for-diaries