Hmmm. Entirely plausible people who tend to consume artificial sweeteners do so because they (disproportionately) struggle with weight gain.https://twitter.com/NAChristakis/status/908389279440797696 …
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Replying to @PhilosophyExp
The article reviews this exact issue -- of RCT vs observational studies and such confounding.
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Replying to @NAChristakis
Right, but it's question begging, if the observational studies are flawed, then what exactly is being explained with respect to weight gain?
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Replying to @PhilosophyExp
The article reports on a metanalysis of 7 actual RCTs
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Replying to @NAChristakis
It was the bit abt weight gain I find dubious. Basically, an explanation in search of a problem. Nightmarish difficult to isolate variables.
11:56 AM - 14 Sep 2017
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