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Agree that the broad claims of this study are exaggerated, but also tend to believe that some of the contention could be exaggerated. A “healthy” vegan diet (versus the many ways to make it unhealthy) leads naturally to a caloric deficit and more vegetables versus a similarly “healthy” omnivore diet so controlling for those variables would not prove much of anything. I think the bigger limiters are the duration of study and n of participants (though using identical twins is fascinating)

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