On flawed @TheLancet study alleging low-carb shortens life: 1. low-carb group was (hopelessly) confounded by higher rates of smoking, diabetes, obesity 2. study contradicted by 70+ trials--far more rigorous data--all of which show improved health on low carb 1/2
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Adjusting for confounders is not perfect. You're adjusting bad data using other bad data.
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Unless you are attacking their data collection, that is not accurate. The main issue with controlling for confounding variables is residual confounding, which is not what the tweets were about at all
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