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messopotatoesmia t1_j2ptc76 wrote

Reply to comment by ehj in A study on obese patients suggests the gut microbiome affects obesity levels. Microbial diversity decreased in obese subjects, and the reduction trend was correlated with the severity of obesity. by glawgii

Randomized studies aren't always possible. And I don't know what you'd want them to randomize in this study; they're comparing two populations -- one of obese patients, one of non-obese ones.

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