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New Systematic Review Unveils the Best Way To Lose Weight


Bariatric Surgery Weight Loss

Systematic reviews from 2020 to 2024 indicate that bariatric surgery provides the most sustained and substantial weight loss compared to other treatments, maintaining about 25% weight loss for up to 10 years. Despite significant benefits, bariatric surgery is still underused in treating severe obesity.

Systematic reviews of scientific data reveal significant differences in weight-loss outcomes among various methods.

Systematic reviews of medical literature from 2020 to 2024 indicate that bariatric surgery, also referred to as metabolic or weight-loss surgery, results in the most significant and enduring weight loss compared to treatments with GLP-1 receptor agonists and lifestyle changes. These findings were presented at the 2024 Annual Scientific Meeting of the American Society for Metabolic and Bariatric Surgery (ASMBS).

Researchers found lifestyle interventions such as diet and exercise resulted in an average weight loss of 7.4% but that weight was generally regained within 4.1 years. GLP-1s and metabolic and bariatric surgery proved far superior. Studies included thousands of patients from clinical studies and several randomized clinical trials.

Five months of weekly injections of GLP-1 semaglutide resulted in 10.6% weight loss and nine months of tirzepatide produced 21.1% weight loss. However, once treatment stopped, about half the lost weight returned within a year despite which drug was used. If injections were continued, tirzepatide patients plateaued at 22.5% weight loss at 17-18 months. Patients on semaglutide plateaued at 14.9% during the same time period.

Semaglutide

Semaglutide is a medication used for managing type 2 diabetes and obesity. It belongs to the class of drugs known as GLP-1 receptor agonists, which mimic the action of the natural hormone glucagon-like peptide-1, important for blood sugar regulation and appetite control. Semaglutide helps lower blood sugar by increasing ASMBS reports that in 2022 nearly 280,000 metabolic and bariatric procedures were performed in the U.S., which represents only about 1% of those who meet eligibility requirements based on BMI. According to the U.S. Centers for Disease Control and Prevention (CDC), obesity affects 42.4% of Americans. Studies show the disease can weaken or impair the body’s immune system and cause chronic inflammation and increase the risk of many other diseases and conditions including Effectiveness and Durability of Common Weight Loss Methods” by Megan E Jenkins, Juliane Hafermann, Christine Fielding, Gerhard Prager and Marina Kurian, 11 June 2024, American Society for Metabolic and Bariatric Surgery (ASMBS) 2024 Annual Scientific Meeting.





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