Recent developments in weight-loss treatments are generating both medical interest and retail challenges, according to new research and industry reports.

A study from UC San Diego found that the ketogenic diet may help reduce symptoms of anorexia nervosa, with 72% of participants scoring in recovered or normal ranges. The research suggests potential therapeutic applications for the high-fat, low-carbohydrate diet beyond traditional weight management.

Meanwhile, retailers are experiencing increased returns as customers using GLP-1 medications lose weight rapidly. The medications, which include drugs like Ozempic and Wegovy, have gained popularity for weight loss treatment. Stores report particular increases in returns of larger-sized clothing and other items as users experience significant weight reduction.

The retail impact reflects the growing adoption of GLP-1 treatments, which work by mimicking hormones that regulate blood sugar and slow digestion. These medications have shown effectiveness for weight loss but can cause rapid changes that affect consumer purchasing patterns.

Both developments highlight how weight-related treatments are having broader effects beyond individual health outcomes, influencing everything from mental health treatment approaches to retail business operations.