Association of all-cause mortality with overweight and obesity using standard body mass index categories: a systematic review and meta-analysis https://pubmed.

Association of all-cause mortality with overweight and obesity using standard body mass index categories: a systematic review and meta-analysis https://pubmed.ncbi.nlm.nih.gov/23280227/ https://pubmed.ncbi.nlm.nih.gov/23280227/ "Relative to normal weight, both obesity (all grades) and grades 2 and 3 obesity were associated with significantly higher all-cause mortality. Grade 1 obesity overall was not associated with higher mortality, and overweight was associated with significantly lower all-cause mortality." Overweight: BMI from 25 - 29.9. How Much Should We Weigh for a Long and Healthy Life Span? The Need to Reconcile Caloric Restriction versus Longevity with Body Mass Index versus Mortality Data https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4115619/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4115619/