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Vegan diet outperforms Mediterranean diet for weight loss and inflammation: Study
Eating a low-fat vegan diet reduces harmful inflammatory dietary compounds called advanced glycation end-products (AGEs) by 73%, compared to no reduction on a Mediterranean diet, according to new research by the Physicians Committee for Responsible Medicine published in the journal Frontiers in Nutrition. The decrease in AGEs on the vegan diet was associated with an average weight loss of 13 pounds, compared with no change on the Mediterranean diet.
The reduction of dietary AGEs on the low-fat vegan diet came mainly from excluding the consumption of meat (41%), minimizing the consumption of added fats (27%), and avoiding dairy products (14%).
AGEs may be ingested through the diet, and animal products are generally higher in AGEs than plant foods. Cooking with high heat under dry conditions, such as grilling, leads to significant formation of AGEs, especially in animal-derived foods, which are also rich in fats. High amounts of AGEs circulating in the body can contribute to insulin resistance, which can lead to weight gain. AGEs are also linked to inflammation and oxidative stress, which contribute to chronic diseases like heart disease and type 2 diabetes.
The new research is a secondary analysis of a previous Physicians Committee study comparing a low-fat vegan diet to a Mediterranean diet. The study randomly assigned participants to either a low-fat vegan diet, which consisted of fruits, vegetables, grains, and beans, or a Mediterranean diet, which focused on fruits, vegetables, legumes, fish, low-fat dairy, and extra virgin olive oil, for 16 weeks. Neither group had a calorie limit. Participants then went back to their baseline diets for a four-week washout period before switching to the opposite group for an additional 16 weeks. Dietary AGEs were calculated based on self-reported dietary intake records. AGE scores were assigned to each food item, using a published database of AGE content.
This study indicated that a vegan diet may be more effective than a Mediterranean diet for weight loss and reduced harmful inflammatory dietary compounds. The findings suggested that a vegan diet's emphasis on plant-based foods and exclusion of animal products might lead to greater reductions in body weight and markers of inflammation. This could be attributed to the higher intake of fibre, lower caloric density, and avoidance of certain inflammatory compounds found in animal products. This study highlights the potential benefits of a vegan diet in promoting overall health and reducing inflammation.
References: National Institute of Diabetes and Digestive, and Kidney Diseases.Overweight & obesity statistics. Bethesda, MD: National Institute of Diabetes and Digestive, and Kidney Diseases (2018).
BDS, MDS(orthodontics)
Dr. Garima Soni holds a BDS (Bachelor of Dental Surgery) from Government Dental College, Raipur, Chhattisgarh, and an MDS (Master of Dental Surgery) specializing in Orthodontics and Dentofacial Orthopedics from Maitri College of Dentistry and Research Centre. At medical dialogues she focuses on dental news and dental and medical fact checks against medical/dental mis/disinformation
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