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The Impact of Digital Technology–Based Exercise Combined With Dietary Intervention on Body Composition in College Students With Obesity: Prospective Study

The Impact of Digital Technology–Based Exercise Combined With Dietary Intervention on Body Composition in College Students With Obesity: Prospective Study

Over the past 4 decades, there has been a dramatic increase in obesity and related diseases, with approximately 50% of adults in China having overweight or obesity [1]. By 2030, the number of individuals with overweight or obesity in China is predicted to increase to 790 million, and the medical costs associated with overweight and obesity are expected to reach US $61 billion [2].

Chengyuan Hu, Zixin Lv, Jieping Zhu, Chunyuan Lai, Dongjuan Guo, Maolin Chen, Xiaoyan Cheng, Mingxin Rao, Xinyou Zhou, Liqiang Su

J Med Internet Res 2025;27:e65868

Leveraging Social Media Data to Understand the Impact of COVID-19 on Residents' Dietary Behaviors: Observational Study

Leveraging Social Media Data to Understand the Impact of COVID-19 on Residents' Dietary Behaviors: Observational Study

We obtained the state obesity rate data from the Behavioral Risk Factor Surveillance System (BRFSS). BRFSS provided the ground truth for the prevalence of obesity via self-reported obesity data among US adults by state and territory in 2019, 2020, and 2021. In Figure 3, we classified 49 states into 4 different obesity levels based on the state obesity rate. New Jersey was excluded from this study because the obesity rate data from BRFSS for New Jersey were missing due to insufficient data.

Chuqin Li, Alexis Jordan, Yaorong Ge, Albert Park

J Med Internet Res 2025;27:e51638

Evaluation of the Aspects of Digital Interventions That Successfully Support Weight Loss: Systematic Review With Component Network Meta-Analysis

Evaluation of the Aspects of Digital Interventions That Successfully Support Weight Loss: Systematic Review With Component Network Meta-Analysis

Obesity is a complex chronic disease associated with increased risks of developing life-limiting and life-threatening conditions, including cardiovascular disease, stroke, and type 2 diabetes [1]. It is a growing global health problem, with the number of obese adults across the world more than doubling since 1990 [2].

Michael Nunns, Samantha Febrey, Rebecca Abbott, Jill Buckland, Rebecca Whear, Liz Shaw, Alison Bethel, Kate Boddy, Jo Thompson Coon, G.J. Melendez-Torres

J Med Internet Res 2025;27:e65443

Evaluation of the Digital Support Tool Gro Health W8Buddy as Part of Tier 3 Weight Management Service: Observational Study

Evaluation of the Digital Support Tool Gro Health W8Buddy as Part of Tier 3 Weight Management Service: Observational Study

In the United Kingdom, 25% of men and 26% of women live with obesity [1]. Overweight and obesity are more prevalent in people living in the most deprived areas compared to the least deprived areas (72% and 58%, respectively) [1]. Similarly, excess weight disproportionately affects people in the Black ethnic group (72% compared to 64% in people from the White ethnic group) [1].

Petra Hanson, Farah Abdelhameed, Mohammed Sahir, Nick Parsons, Arjun Panesar, Michaela de la Fosse, Charlotte Summers, Amit Kaura, Harpal Randeva, Vinod Menon, Thomas M Barber

J Med Internet Res 2025;27:e62661

Metabolic Flexibility to Predict Lifestyle Interventions Outcomes (MEPHISTO): Protocol for Predictive Validation Study and Randomized Controlled Trial

Metabolic Flexibility to Predict Lifestyle Interventions Outcomes (MEPHISTO): Protocol for Predictive Validation Study and Randomized Controlled Trial

Obesity has reached pandemic proportions and is a major risk factor for type 2 diabetes (T2 D), cardiovascular disease, and other metabolic disorders. Prevention progression to T2 D in individuals with obesity through effective lifestyle interventions is a public health priority Substantial and sustained weight loss achieved through lifestyle modifications is a key strategy to reduce the risk of T2 D and improve metabolic health [1,2].

Monika Ludlova, Kateřina Koudelková, Jitka Pallova, Barbora Koudelkova, Michaela Siklova, Monika Cahova, Tomas Vetrovsky, Michal Steffl, Jan Gojda

JMIR Res Protoc 2025;14:e67570

The Role of Mobile Apps in Obesity Management: Systematic Review and Meta-Analysis

The Role of Mobile Apps in Obesity Management: Systematic Review and Meta-Analysis

Obesity represents one of the major public health challenges of the 21st century. The World Health Organization [1] defines obesity as an abnormal or excessive accumulation of fat that may impair health. Globally, the prevalence of people with obesity is rising steadily, which is a big problem for health, economy, and society. In the United States, projections show that by 2050, the number of adults who are overweight or obese will increase from 172 million in 2021 to 213 million.

Carmelo Pujia, Yvelise Ferro, Elisa Mazza, Samantha Maurotti, Tiziana Montalcini, Arturo Pujia

J Med Internet Res 2025;27:e66887

The Impact of Technology-Enabled Medical Nutrition Therapy on Weight Loss in Adults With Overweight and Obesity: Retrospective Observational Study

The Impact of Technology-Enabled Medical Nutrition Therapy on Weight Loss in Adults With Overweight and Obesity: Retrospective Observational Study

Obesity remains a critical public health challenge nationwide, affecting over 100 million adults across the United States according to recent estimates [1]. In the United States, the prevalence of obesity has continued to rise, with over 40% of adults classified as obese in 2023 [2] and rates expected to exceed 60% in 2050, posing a significant public health threat given its impact on the existing chronic disease epidemic [3].

Emily A Hu, Tommy Kelley, Ajay Haryani

JMIR Mhealth Uhealth 2025;13:e70228

Acceptability of and Willingness to Use Virtual Reality Exergames for Weight Loss Among Young Adults With Overweight or Obesity in China: Qualitative Study

Acceptability of and Willingness to Use Virtual Reality Exergames for Weight Loss Among Young Adults With Overweight or Obesity in China: Qualitative Study

The epidemic of obesity or overweight has gone beyond being a cosmetic concern to become a disease that poses a substantial threat to the well-being of individuals worldwide. Obesity raises the likelihood of developing a series of diseases, such as diabetes, hypertension, arteriosclerosis, hyperlipidemia, cardiovascular disease, and specific types of cancer [1]. Individuals with obesity also grapple with psychological disorders, including depression, lack of self-confidence, and low self-efficacy [2].

Yanya Chen, Bingsheng Guan, Yaqi Zhang, Suen Chow Lee, Jia-yu Liu, Sicun Li, Ming Liu, Xiaoshen Zhang, Wai-kit Ming

JMIR Serious Games 2025;13:e66998

Improving Diet Quality of People Living With Obesity by Building Effective Dietetic Service Delivery Using Technology in a Primary Health Care Setting: Protocol for a Randomized Controlled Trial

Improving Diet Quality of People Living With Obesity by Building Effective Dietetic Service Delivery Using Technology in a Primary Health Care Setting: Protocol for a Randomized Controlled Trial

The high and increasing prevalence of obesity across the world is a major challenge for health care delivery and confers a substantial burden on individuals and the health care sector. The effects of obesity are widely recognized as one of the leading health concerns, affecting all age and socioeconomic groups [1].

Deborah A Kerr, Clare E Collins, Andrea Begley, Barbara Mullan, Satvinder S Dhaliwal, Claire E Pulker, Fengqing Zhu, Marie Fialkowski, Richard L Prince, Richard Norman, Anthony P James, Paul Aveyard, Helen Mitchell, Jacquie Garton-Smith, Megan E Rollo, Chloe Maxwell-Smith, Amira Hassan, Hayley Breare, Lucy M Butcher, Christina M Pollard

JMIR Res Protoc 2025;14:e64735

Telemedicine Booths for Screening Cardiovascular Risk Factors: Prospective Multicenter Study

Telemedicine Booths for Screening Cardiovascular Risk Factors: Prospective Multicenter Study

There are several well-known modifiable risk factors for CVD, including obesity, high blood pressure, and physical inactivity [5]. The most significant of these is hypertension because it accounts for the largest number of CVD deaths [5,6]. In France, this affects around 22% of the population, but over a third are unaware that they have the condition because there are usually no symptoms [4,7].

Mélanie Decambron, Christine Tchikladze Merand

JMIR Hum Factors 2025;12:e57032