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How get off drugs keep lost weight off

What Happens When You Stop Semaglutide?
Semaglutide, a medication widely used for weight management and type 2 diabetes, works by mimicking a natural human hormone called GLP-1 (glucagon-like peptide-1). GLP-1 is released by the intestines after eating and plays a crucial role in signaling fullness, reducing hunger, slowing digestion, and suppressing the release of glucagon, a hormone that triggers food cravings. When semaglutide is taken, it effectively tricks the body into feeling fuller for longer, leading to significant weight loss as patients naturally consume fewer calories. In a major 2022 clinical trial, participants taking semaglutide lost an average of 17.3% of their body weight over 17 months. However, when the medication is stopped, the body quickly begins to regain weight. On average, participants regained 11.6% of their lost weight in the year following treatment. This pattern holds even when patients engage in diet and exercise counseling, highlighting the complex biological mechanisms at play.
Why Does Weight Regain Happen?
The human body is incredibly resilient and has evolved to resist weight loss, largely due to ancient survival mechanisms. When we lose weight, our brains and hormones work to restore it by increasing hunger and slowing metabolism. This phenomenon is rooted in the body’s "set point," a natural weight range that the body strives to maintain. According to Associate Professor Niloufar Torkamani, head of medical weight management services at Austin Health, "Our bodies have been designed through natural selection to survive famine and wars. We’re not supposed to lose weight." When weight loss occurs, hormones like ghrelin are released to stimulate hunger, while other hormones slow down metabolism, making it difficult to maintain weight loss over time. This biological response explains why stopping semaglutide often leads to weight regain, as the body returns to its pre-treatment set point.
The Risks of Weight Regain
While semaglutide is highly effective for weight loss, the weight regain that follows its discontinuation has raised concerns among healthcare providers. Some doctors worry that the regained weight may pose health risks, particularly if it consists primarily of fat rather than a mix of fat and muscle. Dr. Terri-Lynne South, chair of obesity management at the Royal Australian College of General Practitioners, notes that patients who lose and then regain weight could end up in a worse health state than if they had maintained a stable weight. However, there is currently no concrete scientific evidence to confirm these fears. The medical community is still grappling with more questions than answers when it comes to managing weight loss and maintenance.
Exploring Solutions for Long-Term Weight Management
In the absence of definitive data, clinicians are experimenting with various strategies to help patients maintain their weight after stopping semaglutide. Some are trying micro-doses of the medication to gradually reduce dependency, while others are exploring a gradual weaning process. Dr. Torkamani, for instance, offers twice-yearly maintenance doses, though she admits that there is no solid scientific evidence to guide these practices. Additionally, there is limited data on the long-term safety of semaglutide, particularly for obesity treatment, as it has only been used for this purpose for about a decade. While meta-analyses suggest no increased risk of cancer or other major diseases, rare conditions like pancreatic cancer may require longer follow-up to fully understand potential risks. Researchers are also investigating a potential link between semaglutide and increased risks of suicidal thoughts, though findings remain inconclusive.
Balancing Risks and Benefits
Despite the uncertainties surrounding semaglutide, experts emphasize that it remains a valuable tool for weight management and diabetes control. Priya Sumithran, an obesity researcher, notes that semaglutide has been safely used for nearly 20 years in diabetes treatment, with no major new risks emerging over time. For many patients, the benefits of significant weight loss and improved metabolic health far outweigh the potential risks. Lauren Ash, a patient who has transitioned to another GLP-1 mimetic medication called Mounjaro, offers a realistic perspective: "I think, for some people, it is a lifetime medication. But you need to be able to put those lifestyle changes into place as well. It isn’t a magic drug—you have to put the work in." This approach underscores the importance of combining medication with sustainable lifestyle changes for long-term success.
The Future of Weight Management
As research continues to uncover more about semaglutide and similar medications, the medical community is gaining a deeper understanding of both their potential and limitations. For now, semaglutide remains a groundbreaking treatment for obesity and diabetes, offering hope to millions struggling with weight-related health issues. However, its effectiveness depends on a patient’s ability to maintain lifestyle changes and, in many cases, to continue using the medication long-term. While there are risks associated with stopping semaglutide, the alternative—living with untreated obesity—often carries far greater health risks. As the field evolves, clinicians and patients alike must navigate this complex landscape, balancing the benefits of weight loss with the challenges of maintaining it.
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