File:Cardiometabolic Effects of Omnivorous vs Vegan Diets in Identical Twins.pdf
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[edit]DescriptionCardiometabolic Effects of Omnivorous vs Vegan Diets in Identical Twins.pdf |
English: Importance: Increasing evidence suggests that, compared with an omnivorous diet, a vegan diet confers potential cardiovascular benefits from improved diet quality (ie, higher consumption of vegetables, legumes, fruits, whole grains, nuts, and seeds).
Objective: To compare the effects of a healthy vegan vs healthy omnivorous diet on cardiometabolic measures during an 8-week intervention. Design, Setting, and Participants: This single-center, population-based randomized clinical trial of 22 pairs of twins (N = 44) randomized participants to a vegan or omnivorous diet (1 twin per diet). Participant enrollment began March 28, 2022, and continued through May 5, 2022. The date of final follow-up data collection was July 20, 2022. This 8-week, open-label, parallel, dietary randomized clinical trial compared the health impact of a vegan diet vs an omnivorous diet in identical twins. Primary analysis included all available data. Intervention: Twin pairs were randomized to follow a healthy vegan diet or a healthy omnivorous diet for 8 weeks. Diet-specific meals were provided via a meal delivery service from baseline through week 4, and from weeks 5 to 8 participants prepared their own diet-appropriate meals and snacks. Main Outcomes and Measures: The primary outcome was difference in low-density lipoprotein cholesterol concentration from baseline to end point (week 8). Secondary outcome measures were changes in cardiometabolic factors (plasma lipids, glucose, and insulin levels and serum trimethylamine N-oxide level), plasma vitamin B12 level, and body weight. Exploratory measures were adherence to study diets, ease or difficulty in following the diets, participant energy levels, and sense of well-being. Results: A total of 22 pairs (N = 44) of twins (34 [77.3%] female; mean [SD] age, 39.6 [12.7] years; mean [SD] body mass index, 25.9 [4.7]) were enrolled in the study. After 8 weeks, compared with twins randomized to an omnivorous diet, the twins randomized to the vegan diet experienced significant mean (SD) decreases in low-density lipoprotein cholesterol concentration (−13.9 [5.8] mg/dL; 95% CI, −25.3 to −2.4 mg/dL), fasting insulin level (−2.9 [1.3] μIU/mL; 95% CI, −5.3 to −0.4 μIU/mL), and body weight (−1.9 [0.7] kg; 95% CI, −3.3 to −0.6 kg). Conclusions and Relevance: In this randomized clinical trial of the cardiometabolic effects of omnivorous vs vegan diets in identical twins, the healthy vegan diet led to improved cardiometabolic outcomes compared with a healthy omnivorous diet. Clinicians can consider this dietary approach as a healthy alternative for their patients. |
Date | |
Source | https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2812392 |
Author | Matthew J. Landry, PhD, RDN; Catherine P. Ward, PhD, RD; Kristen M. Cunanan, PhD; Lindsay R. Durand, MPH, RD; Dalia Perelman, MS, RDN; Jennifer L. Robinson, PhD; Tayler Hennings, MPH; Linda Koh, PhD, MS, RN; Christopher Dant, PhD; Amanda Zeitlin, MPH; Emily R. Ebel, PhD; Erica D. Sonnenburg, PhD; Justin L. Sonnenburg, PhD; Christopher D. Gardner, PhD |
doi:10.1001/jamanetworkopen.2023.44457
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current | 09:56, 7 December 2023 | 1,275 × 1,650, 13 pages (1,021 KB) | Koavf (talk | contribs) | Uploaded a work by Matthew J. Landry, PhD, RDN; Catherine P. Ward, PhD, RD; Kristen M. Cunanan, PhD; Lindsay R. Durand, MPH, RD; Dalia Perelman, MS, RDN; Jennifer L. Robinson, PhD; Tayler Hennings, MPH; Linda Koh, PhD, MS, RN; Christopher Dant, PhD; Amanda Zeitlin, MPH; Emily R. Ebel, PhD; Erica D. Sonnenburg, PhD; Justin L. Sonnenburg, PhD; Christopher D. Gardner, PhD from https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2812392 with UploadWizard |
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Author | American Medical Association |
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Software used | XPP |
Conversion program | ; modified using iTextSharp 4.1.6 by 1T3XT |
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Page size | 612 x 792 pts (letter) |
Version of PDF format | 1.4 |