Read Leung et al. (2017) and Porter and Jick (1980). Consider especially what the authors in the Leung et al. paper show through their analysis about the role of the 1980 letter from Porter and Jick in the literature about opioid addiction.
In at least 200 words, respond to the following prompt: What do you think is the role of evidence in medicine, especially in pharmaceuticals? Do you think that the 1980 letter was a good resource for opioid literature? Why or why not?