Effects of Plant-Based Diets on Weight Status: A Systematic Review
There is an increasing number of people who convert to a plant-based diet. The desire for health benefits, including weight management, is often a contributing factor behind this dietary choice. The purpose of this review was to evaluate intervention studies assessing the effects of different plant-...
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description | There is an increasing number of people who convert to a plant-based diet. The desire for health benefits, including weight management, is often a contributing factor behind this dietary choice. The purpose of this review was to evaluate intervention studies assessing the effects of different plant-based diets on body mass index and weight. A literature search was conducted in PubMed until December 2019. Twenty-two publications from 19 studies were included. The majority of them were randomized controlled trials comparing a low-fat vegan diet to an omnivore diet in participants with overweight, type 2 diabetes mellitus and/or cardiovascular disease. All studies reported weight reductions, of which seven revealed significant differences, and four revealed non-significant differences between the intervention and the control groups. The results suggest that plant-based diets may improve weight status in some patient groups. Due to restrictions in fat intake in many studies, followed by reduced energy intake, the effects of the different interventions differ depending on the specific plantbased diets investigated. Future research should aim to include a representative study population and apply study diets without dietary restrictions. |
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The desire for health benefits, including weight management, is often a contributing factor behind this dietary choice. The purpose of this review was to evaluate intervention studies assessing the effects of different plant-based diets on body mass index and weight. A literature search was conducted in PubMed until December 2019. Twenty-two publications from 19 studies were included. The majority of them were randomized controlled trials comparing a low-fat vegan diet to an omnivore diet in participants with overweight, type 2 diabetes mellitus and/or cardiovascular disease. All studies reported weight reductions, of which seven revealed significant differences, and four revealed non-significant differences between the intervention and the control groups. The results suggest that plant-based diets may improve weight status in some patient groups. Due to restrictions in fat intake in many studies, followed by reduced energy intake, the effects of the different interventions differ depending on the specific plantbased diets investigated. Future research should aim to include a representative study population and apply study diets without dietary restrictions.</description><identifier>ISSN: 1178-7007</identifier><identifier>EISSN: 1178-7007</identifier><identifier>DOI: 10.2147/DMSO.S272802</identifier><identifier>PMID: 33061504</identifier><language>eng</language><publisher>ALBANY: Dove Medical Press Ltd</publisher><subject>Analysis ; Body mass index ; Body weight ; Cardiovascular disease ; Cardiovascular diseases ; Diabetes ; Diet ; Endocrinology & Metabolism ; Human nutrition ; Hypertension ; Intervention ; Life Sciences & Biomedicine ; Medical research ; Obesity ; Overweight ; preventive nutrition ; Review ; Science & Technology ; Systematic review ; Type 2 diabetes ; vegan diet ; Veganism ; vegetarian diet ; Vegetarianism ; Weight control ; weight reduction</subject><ispartof>Diabetes, metabolic syndrome and obesity, 2020-09, Vol.13, p.3433-3448</ispartof><rights>COPYRIGHT 2020 Dove Medical Press Limited</rights><rights>2020. This work is licensed under https://creativecommons.org/licenses/by-nc/3.0/ (the “License”). 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The desire for health benefits, including weight management, is often a contributing factor behind this dietary choice. The purpose of this review was to evaluate intervention studies assessing the effects of different plant-based diets on body mass index and weight. A literature search was conducted in PubMed until December 2019. Twenty-two publications from 19 studies were included. The majority of them were randomized controlled trials comparing a low-fat vegan diet to an omnivore diet in participants with overweight, type 2 diabetes mellitus and/or cardiovascular disease. All studies reported weight reductions, of which seven revealed significant differences, and four revealed non-significant differences between the intervention and the control groups. The results suggest that plant-based diets may improve weight status in some patient groups. Due to restrictions in fat intake in many studies, followed by reduced energy intake, the effects of the different interventions differ depending on the specific plantbased diets investigated. Future research should aim to include a representative study population and apply study diets without dietary restrictions.</description><subject>Analysis</subject><subject>Body mass index</subject><subject>Body weight</subject><subject>Cardiovascular disease</subject><subject>Cardiovascular diseases</subject><subject>Diabetes</subject><subject>Diet</subject><subject>Endocrinology & Metabolism</subject><subject>Human nutrition</subject><subject>Hypertension</subject><subject>Intervention</subject><subject>Life Sciences & Biomedicine</subject><subject>Medical research</subject><subject>Obesity</subject><subject>Overweight</subject><subject>preventive nutrition</subject><subject>Review</subject><subject>Science & Technology</subject><subject>Systematic review</subject><subject>Type 2 diabetes</subject><subject>vegan diet</subject><subject>Veganism</subject><subject>vegetarian diet</subject><subject>Vegetarianism</subject><subject>Weight control</subject><subject>weight reduction</subject><issn>1178-7007</issn><issn>1178-7007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><sourceid>DOA</sourceid><recordid>eNqNkl1rFDEUhgdRbKm98wcMCCLorPmaJONFYbutWqhUXMXLkMmc7GaZmdRJpqX_3kx3qV3xwuQi4eQ5b845vFn2EqMZwUy8P_uyvJotiSASkSfZIcZCFgIh8fTR_SA7DmGDpiUQI-R5dkAp4rhE7DA7PbcWTAy5t_nXVvexONUBmvzMwRTs85_gVuuYL6OOY_iQz_PlXYjQ6ehM_g1uHNy-yJ5Z3QY43p1H2Y-P598Xn4vLq08Xi_llYcqSxqIyDZNGCo5qg7mQmiJDm7oSgjc29SIJLjkzwhIwhgnDLCYNSG5rTWsrMT3KLra6jdcbdT24Tg93ymun7gN-WCk9pLJaUBoaLirZGFsBI5ZIIgUDiWuOjOECktbJVut6rDtoDPRx0O2e6P5L79Zq5W-UKCklhCaBNzuBwf8aIUTVuWCgTSMEPwZFWIkl4xUmCX31F7rx49CnUd1TJRe8Kv9QK50acL316V8ziao5p5LTNDiWqNk_qLQb6JzxPViX4nsJrx8lrEG3cR18O0bn-7APvtuCZvAhDGAfhoGRmrymJq-pndcS_naL30LtbTAOegMPKclqpRCUVnJyHU-0_H964ZLXUnkLP_aR_gbWDeHF</recordid><startdate>20200930</startdate><enddate>20200930</enddate><creator>Tran, Elisabeth</creator><creator>Dale, Hanna Fjeldheim</creator><creator>Jensen, Caroline</creator><creator>Lied, Gulen Arslan</creator><general>Dove Medical Press Ltd</general><general>Dove Medical Press Limited</general><general>Taylor & Francis Ltd</general><general>Dove</general><general>Dove Medical Press</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RV</scope><scope>7XB</scope><scope>8C1</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>KB0</scope><scope>M2O</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-0710-6057</orcidid><orcidid>https://orcid.org/0000-0002-1827-5008</orcidid><orcidid>https://orcid.org/0000-0003-2714-711X</orcidid></search><sort><creationdate>20200930</creationdate><title>Effects of Plant-Based Diets on Weight Status: A Systematic Review</title><author>Tran, Elisabeth ; 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The desire for health benefits, including weight management, is often a contributing factor behind this dietary choice. The purpose of this review was to evaluate intervention studies assessing the effects of different plant-based diets on body mass index and weight. A literature search was conducted in PubMed until December 2019. Twenty-two publications from 19 studies were included. The majority of them were randomized controlled trials comparing a low-fat vegan diet to an omnivore diet in participants with overweight, type 2 diabetes mellitus and/or cardiovascular disease. All studies reported weight reductions, of which seven revealed significant differences, and four revealed non-significant differences between the intervention and the control groups. The results suggest that plant-based diets may improve weight status in some patient groups. 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subjects | Analysis Body mass index Body weight Cardiovascular disease Cardiovascular diseases Diabetes Diet Endocrinology & Metabolism Human nutrition Hypertension Intervention Life Sciences & Biomedicine Medical research Obesity Overweight preventive nutrition Review Science & Technology Systematic review Type 2 diabetes vegan diet Veganism vegetarian diet Vegetarianism Weight control weight reduction |
title | Effects of Plant-Based Diets on Weight Status: A Systematic Review |
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