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Comment & Response
November 2019

Plant-Based Dietary Patterns and Incidence of Type 2 Diabetes—Reply

Author Affiliations
  • 1Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
  • 2Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
JAMA Intern Med. 2019;179(11):1604-1605. doi:10.1001/jamainternmed.2019.4874

In Reply We echo Gómez-Donoso and colleagues’ perspectives that plant-based diets or provegetarian diets can probably confer the same cardiometabolic health benefits as strict vegetarian or vegan diets. The favorable association of provegetarian diets with long-term weight control observed in the SUN cohort is in line with our results from a secondary analysis, in which a large part of the beneficial association between plant-based diets and type 2 diabetes was attributable to body mass index, calculated as weight in kilograms divided by height in meters squared.1,2 It is worth noting, though, that the inverse association persisted after accounting for body mass index in our analysis, which suggests that weight control may not be the sole pathway mediating the health benefits of eating plant-based diets.

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