Diet and Structured Exercise Help More Than Half of Participants With Early-Onset Type 2 Diabetes Achieve Remission

Type 2 diabetes is a chronic metabolic condition in which the body becomes less responsive to insulin or cannot produce enough insulin to maintain normal blood glucose levels. When glucose remains elevated over extended periods, it can damage blood vessels, nerves, and multiple organs. Potential complications include coronary artery disease, stroke, chronic kidney disease, diabetic retinopathy, peripheral neuropathy, and foot ulcers. Early-onset type 2 diabetes, diagnosed before the age of 45, is a growing clinical concern because affected individuals may live with the condition for longer and develop complications at a younger age. The RESET for Remission trial investigated whether combining a low-energy diet with structured exercise could improve outcomes in adults with early-onset type 2 diabetes and obesity. The study included 96 adults aged 18–45 who were not receiving insulin therapy. Participants were randomly assigned to either usual care or an intensive lifestyle intervention. The intervention involved a diet providing approximately 800–900 calories per day during the initial phase, together with structured aerobic and resistance exercise. Participants subsequently moved to a weight-maintenance diet and continued exercising. After 24 weeks, 27 of the 50 participants in the intervention group achieved remission, compared with 2 of the 46 participants receiving usual care. The researchers also reported improvements in weight, physical fitness, and metabolic health, with muscle mass largely preserved. Diabetes remission generally means that blood glucose levels remain below the diagnostic threshold for diabetes for a specified period without glucose-lowering medication. It does not necessarily mean that the underlying susceptibility to diabetes has disappeared permanently. Blood glucose can rise again if weight is regained or metabolic health deteriorates. Even after remission, people may require ongoing monitoring for diabetes recurrence and complications. The intervention's low-calorie prescription was intensive and should not be treated as a general diet recommendation. Such programs require appropriate clinical supervision, particularly because diabetes and blood pressure medications may need adjustment during substantial dietary changes. Medical significance: The findings support further investigation of structured lifestyle programs for younger adults with type 2 diabetes. They do not establish that every patient can achieve remission, and patients should not stop prescribed medication without medical supervision.