is there any non-correlational evidence that obesity is unhealthy?
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Replying to @alexeyguzey
What do you mean by “unhealthy”? True obesity (not just high BMI) leads to lower back and knee pain which leads to less physical activity and increased odds of opioid use. Is that unhealthy?
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Replying to @alexeyguzey
True obesity = increased waist size or waist/hip ratio Evidence is weak for LBP (https://journals.lww.com/spinejournal/Fulltext/2000/01150/Body_Weight_and_Low_Back_Pain__A_Systematic.15.aspx …), better for knee OA (https://www.sciencedirect.com/science/article/pii/S1063458409002258 …). And of course many anecdotes. There are also some mechanistic studies that are beyond my immediate bandwidth.
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Replying to @alexeyguzey
Isn’t that what I wrote, that it was weak? I am no expert on obesity by any means—most of my patients have the opposite problem All I have is anecdotes from my residency days
If you do decide to look into it more, I’d focus on waist circumference or wait/hip ratio, not BMI1 reply 0 retweets 0 likes -
Well, it was. Not by much 
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