Discussion reading: Flegal KM, et al. Association of all-cause mortality with ov

Discussion reading: Flegal KM, et al. Association of all-cause mortality with overweight and obesity using standard body mass index categories. JAMA 2013;309:71-82
Provide brief responses to the questions below about the discussion reading. You can work in groups but you have to submit individually:
What is the motivation for this paper, as described in the paper’s introduction section? And its main goal?
What were the inclusion and exclusion criteria for the studies considered in this review?
Why did the authors require adjustment for smoking to consider results from a study to be adequately adjusted?
What are the main strengths of this study?
Indicate two limitations of this study highlighted by the authors
What are, in your opinion, the main public health implications of this analysis?