answer question: what is the mechanism of action of the NSAIDs specifically related to chronic  back pain and new onset back pain? Student provides a substantive response to any direct faculty questions.   All posts to peer(s) and faculty are supported with AT LEAST 1 appropriate scholarly reference as noted in the NR 545 Expectations for use of Scholarly Sources;    A reference list is included which match in-text citations; (*) A substantive post adds new content or insights to the discussion thread and information from student’s original post is not reused in peer or faculty response