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Literature Review: Effectiveness of Lifestyle Interventions in Reversing Early Type 2 Diabetes

AlMulhim, Fatimah Mohammed; AlMulhim, Mona Mohammed; AlKurdi, Nura Ahmed; AlSulaiman, Nouf Mansour; AlMulhim, Abdulmohsin Mohammed

Abstract

Type 2 diabetes mellitus (T2DM) is a long-term metabolic disorder characterized by insulin resistance and dynamic beta-cell failure. The global rise in the incidence of T2DM has warranted a need for sustainable and wholesome treatments. Recently, lifestyle interventions physical activity, dietary modification, and behavioral therapy have been suggested as an encouraging way forward for early T2DM reversal. The purpose of this review is to evaluate the efficacy of lifestyle intervention in reversing early T2DM. The evidence suggests that intensive lifestyle intervention can significantly improve glycemic control and, in some cases, result in diabetic remission. Adherence, personalized intervention, and long-term follow-up are, however, still the determinants of outcome.

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 Corresponding author: Fatimah Mohammed AlMulhim Copyright © 2025 Author(s) retain the copyright of this article. This article is published under the terms of the Creative Commons Attribution License 4.0. Literature Review: Effectiveness of Lifestyle Interventions in Reversing Early Type 2 Diabetes Fatimah Mohammed AlMulhim 1, *, Mona Mohammed AlMulhim 2, Nura Ahmed AlKurdi 2, Nouf Mansour AlSulaiman 1 and Abdulmohsin Mohammed AlMulhim 3 1 Department of Family Medicine, King Abdulaziz Hospital of National Guard, AlAhsa, Saudi Arabia. 2 Department of Family Medicine, Armed Forces Hospital/ King Abdulaziz Naval Base, Jubail, Saudi Arabia. 3 Department of Anesthesia, King Faisal Hospital, AlAhsa, Saudi Arabia. World Journal of Biology Pharmacy and Health Sciences, 2025, 23(02), 434-436 Publication history: Received on 21 July 2025; revised on 26 August 2025; accepted on 30 August 2025 Article DOI: https://doi.org/10.30574/wjbphs.2025.23.2.0788 Abstract Type 2 diabetes mellitus (T2DM) is a long-term metabolic disorder characterized by insulin resistance and dynamic beta-cell failure. The global rise in the incidence of T2DM has warranted a need for sustainable and wholesome treatments. Recently, lifestyle interventions physical activity, dietary modification, and behavioral therapy have been suggested as an encouraging way forward for early T2DM reversal. The purpose of this review is to evaluate the efficacy of lifestyle intervention in reversing early T2DM. The evidence suggests that intensive lifestyle intervention can significantly improve glycemic control and, in some cases, result in diabetic remission. Adherence, personalized intervention, and long-term follow-up are, however, still the determinants of outcome. Keywords: Lifestyle; Interventions; Reversing; Early; Type 2; Diabetes 1. Introduction The worldwide incidence of type 2 diabetes mellitus (T2DM) is still increasing, with over 400 million in the latest reports. T2DM has been regarded as an irreversible and progressive condition; however, recent evidence now demonstrates that T2DM at its onset is reversible through intensive lifestyle modification. Early treatment is significant as it offers a window of opportunity to reverse or halt the disease process prior to the establishment of permanent betacell destruction. Lifestyle treatment involves caloric restriction, increase in physical activity, and behavioral counseling for weight loss, enhancement in insulin action, and general enhanced metabolic health. This review will determine if such lifestyle interventions are effective in early T2DM prevention. 2. Literature review A number of studies have evaluated the impact of lifestyle interventions in early T2DM. The Diabetes Prevention Program (DPP) demonstrated that intensive lifestyle change resulted in a 58% reduction in the incidence of T2DM in individuals with prediabetes [1]. The UK's DiRECT trial showed that remission from diabetes was achieved through a low-calorie diet in nearly half of all those participating with early T2DM [2]. Exercise, particularly moderate to vigorous intensity exercise, has been reported in other research to improve insulin sensitivity and glucose metabolism [3-5]. Behavioral therapies like motivational interviewing and cognitive behavioral therapy have also been said to promote lifestyle modification adherence [6,7]. Dietary components such as low-carbohydrate and Mediterranean diets exhibited glycemic action and weight loss outcomes [8-10]. World Journal of Biology Pharmacy and Health Sciences, 2025, 23(02), 434-436 435 3. Results There are data supporting that intensive and early interventions on lifestyle can be highly effective to reverse early T2DM. The remission rates vary from as low as 10% up to over 60%, depending on the population and treatment regimens [2,15]. More crucial outcomes are improved HbA1c levels, reduced dependency on medication, and enhanced quality of life [16-18]. But heterogeneity in study designs and definitions of remission complicate direct comparisons [19]. However, the overall trend is in favor of the power of non-pharmacologic interventions to alter the natural course of T2DM, especially in dedicated individuals with the help of organized programs. 4. Discussion The effectiveness of lifestyle interventions for the treatment of early T2DM appears to rely on several factors. They are the timing of intervention, intensity of the program, percentage weight loss achieved, and person-to-person variability in response. Evidence consistently demonstrates that over 10% weight loss is associated with higher rates of remission from diabetes [2,11]. Furthermore, interventions embarked upon within three years of diagnosis are more successful, suggesting a critical window period for intervention [12]. Physical activity enhances insulin sensitivity regardless of weight loss and underscores its key role in diabetes management [13]. However, long-term adherence is the biggest problem, frequently requiring continued help and monitoring [14] 5. Conclusion In general, lifestyle treatments are a powerful tool in the reversal of early T2DM. The combined evidence is in their favor as a first-line approach, most importantly in recent-onset patients. To have maximum impact, interventions should be tailored, assisted by multidisciplinary teams, and integrated into routine clinical practice. Subsequent research should attempt to determine predictors of remission, foster longer-term compliance, and test scalable models of care. With rising diabetes burden, empowerment through lifestyle change is a cost-saving clinical intervention and an economic solution. Compliance with ethical standards Disclosure of conflict of interest No conflict of interest to be disclosed. References [1] Knowler WC, et al. Reduction in the incidence of type 2 diabetes with lifestyle intervention or metformin. N Engl J Med. 2002;346(6):393–403. [2] Lean MEJ, et al. Primary care-led weight management for remission of type 2 diabetes (DiRECT): an open-label, cluster-randomised trial. Lancet. 2018;391(10120):541–551. [3] Colberg SR, et al. Exercise and type 2 diabetes: the American College of Sports Medicine and the American Diabetes Association joint position statement. Diabetes Care. 2010;33(12):e147–e167. [4] Boulé NG, et al. Effects of exercise on glycemic control and body mass in type 2 diabetes mellitus: a meta-analysis. JAMA. 2001;286(10):1218–1227. [5] Umpierre D, et al. Physical activity advice only or structured exercise training and association with HbA1c levels in type 2 diabetes. JAMA. 2011;305(17):1790–1799. [6] Greaves CJ, et al. Systematic review of reviews of intervention components associated with increased effectiveness in dietary and physical activity interventions. BMC Public Health. 2011;11:119. [7] Armstrong MJ, et al. Motivational interviewing to improve weight loss in overweight and/or obese patients. Ann Intern Med. 2011;155(8):519–527. [8] Esposito K, et al. Effect of a Mediterranean-style diet on endothelial dysfunction and markers of vascular inflammation in the metabolic syndrome. JAMA. 2004;292(12):1440–1446. World Journal of Biology Pharmacy and Health Sciences, 2025, 23(02), 434-436 436 [9] Tay J, et al. A very low-carbohydrate, low-saturated fat diet for type 2 diabetes management. Diabetes Care. 2014;37(11):2909–2918. [10] Barnard ND, et al. A low-fat vegan diet improves glycemic control and cardiovascular risk factors in a randomized clinical trial in individuals with type 2 diabetes. Diabetes Care. 2006;29(8):1777–1783. [11] Lim EL, et al. Reversal of type 2 diabetes: normalisation of beta cell function in association with decreased pancreas and liver triacylglycerol. Diabetologia. 2011;54(10):2506–2514. [12] Steven S, et al. Pathophysiology of type 2 diabetes remission induced by diet: evidence for hepatic insulin sensitivity as a key factor. Diabetologia. 2013;56(10):2200–2209. [13] Hawley JA, et al. Exercise as a therapeutic intervention for the prevention and treatment of insulin resistance. Diabetes Metab Res Rev. 2008;24(2):90–99. [14] Anderson JW, et al. Long-term weight-loss maintenance: a meta-analysis of US studies. Am J Clin Nutr. 2001;74(5):579–584. [15] Hallberg SJ, et al. Effectiveness and safety of a novel care model for the management of type 2 diabetes at one year. Diabetes Ther. 2018;9(2):583–612. [16] Gregg EW, et al. Association of an intensive lifestyle intervention with remission of type 2 diabetes. JAMA. 2012;308(23):2489–2496. [17] Mann S, et al. Effects of lifestyle modification on weight loss and cardiovascular risk factors in individuals with metabolic syndrome. Diabetes Obes Metab. 2010;12(5):385–395. [18] Look AHEAD Research Group. Long-term effects of a lifestyle intervention on weight and cardiovascular risk factors in individuals with type 2 diabetes. Arch Intern Med. 2010;170(17):1566–1575. [19] Ades PA, et al. Adherence to exercise programs: recommendations. Sports Med. 1992;13(6):422–431. [20] Lean MEJ. Targeting remission of type 2 diabetes through weight loss. J R Coll Physicians Edinb. 2019;49(1):29– 34.