These guidelines were controversial within the medical community itself because, well, they recommend against the use of pain medications due to a lack of evidence that they are effective AND that many of them can be addictive.
I love body scans. I find them a great way to get into my body, sometimes helping me relax, but more often helping me with pain management. I do remember the first time I did one though. The thought I had, “this sounds terrifying! Why would I want to move towards the pain that I’m already experiencing?!”