Weight Loss Injections Trend Sparks Concern Over Muscle Loss

A growing trend of weight loss injections, including medications like Wegovy, is sweeping through Israel, particularly within the Haredi and general public. Clinical dietitian Maor Ziv, with 20 years of experience, warns against the uncritical use of these drugs, highlighting a significant concern: muscle mass loss.

Ziv explains that the perception of obesity has shifted from a matter of willpower to a biological condition influenced by genetics and environment. This scientific understanding has led to the development of drugs that directly target hunger and satiety mechanisms in the brain. However, he points out that while these injections effectively reduce appetite and lead to weight loss, the composition of that loss is problematic.

Studies indicate that for every 10 kilograms lost through these injections, approximately 3.5 kilograms are lost from muscle mass rather than fat. Ziv contrasts this with weight loss achieved through controlled dietary changes and habit formation, which primarily targets fat tissue. He stresses the importance of preserving muscle mass, which is crucial for overall health and metabolism.

Addressing the notion that these injections are a shortcut for the "lazy," Ziv clarifies that while they suppress appetite, they do not replace the need for healthy eating habits and lifestyle changes. Without this foundational work, users risk muscle breakdown. He emphasizes that the use of these injections must be supervised by professionals to ensure proper habit building and knowledge acquisition for long-term success.

Furthermore, Ziv describes these weight loss medications as chronic treatments, akin to a "lifelong Catholic marriage." Research shows that within a year of stopping the injections, patients regain two-thirds of the lost weight because the underlying habits and knowledge for maintaining weight loss were not established. He strongly advises against using these injections for minor weight loss goals, such as before a wedding, recommending traditional dietary changes and expert guidance instead. The injections are primarily intended for individuals with significant obesity and related health conditions like diabetes or hypertension, as part of a comprehensive treatment plan.