Weight Management Interventions for Young Adults

Young adulthood represents a critical life stage during which patterns of diet, physical activity and psychological well-being take hold, often with lasting consequences for body weight. Interventions tailored to 18–35-year-olds have evolved from traditional dietary advice and exercise prescriptions to incorporate psychological support, technology-mediated delivery and multicomponent behaviour change strategies. Contemporary approaches recognise the transitional nature of this period, addressing time pressures, social influences and emotional factors alongside energy balance. Digital tools such as smartphone applications, text messaging and web-based platforms offer scalable routes to self-monitoring, goal-setting and real-time feedback, while face-to-face or virtual coaching leverages motivational interviewing and cognitive-behavioural therapy to bolster self-regulation. Systematic reviews point to modest but meaningful reductions in weight gain trajectories when interventions integrate evidence-based behaviour change techniques, habit formation strategies and personalised support. The global significance of these findings is underscored by high rates of weight increase among young adults across diverse settings, emphasising the need for accessible, culturally sensitive and developmentally appropriate programmes that combine dietary improvement, physical activity enhancement and psychological resilience.

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Weight Management Interventions for Young Adults publication trend

The graph below shows the total number of articles in weight management interventions for young adults across all publications each year (not limited to Nature Index journals).

Technical terms

mHealth: Use of mobile communication technologies such as text messaging, apps and web platforms to deliver health promotion and behaviour change interventions.

Behaviour change technique (BCT): A discrete, active component of an intervention designed to alter determinants of behaviour, for example goal-setting or self-monitoring.

Cognitive-behavioural therapy (CBT): A structured psychological approach that seeks to modify unhelpful thought patterns and behaviours to support healthier choices.

Motivational interviewing (MI): A collaborative counselling method that enhances intrinsic motivation to change by exploring and resolving ambivalence.

References

1. Psychological approaches to obesity in young adults: state of the art. Frontiers in Nutrition (2024).
2. Motivational interviewing for weight management among college students during COVID-19: An exploratory randomized controlled trial. Obesity Pillars (2023).
3. Effectiveness of a mHealth Lifestyle Program With Telephone Support (TXT2BFiT) to Prevent Unhealthy Weight Gain in Young Adults: Randomized Controlled Trial. JMIR mHealth and uHealth (2015).
4. A Mobile Health Lifestyle Program for Prevention of Weight Gain in Young Adults (TXT2BFiT): Nine-Month Outcomes of a Randomized Controlled Trial. JMIR mHealth and uHealth (2016).
5. Effectiveness of Interventions and Behaviour Change Techniques for Improving Dietary Intake in Young Adults: A Systematic Review and Meta-Analysis of RCTs. Nutrients (2019).