What are some of the challenges of doing quality evaluations/research on safe injection sites and products like the app discussed in this unit?

Every unit submission should begin with a two-page reflection as described in the syllabus.
After writing that reflection, in a separate section in the same document,answer the questions below thoroughly.
Describe ‘harm reduction’ as “a policy approach that accepts drug use as an unavoidable reality of life and attempts to minimize the harms that come from drug behavior”, which policies discussed in this unit would fall into the harm reduction category and which would not?
What are some of the challenges of doing quality evaluations/research on safe injection sites and products like the app discussed in this unit?
Based on the Harper’s Magazine article, do you think it is realistic that a balance can be found between getting powerful opioids to people who need them while simultaneously limiting access to addicted drug seekers?