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Healthy Child, Healthy Adult—Children’s Nutrition and Physical Activity as a Public Health Concern

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Guest Editor
School of Health Medicine and Life Science, University of Hertfordshire, Hatfield AL10 9AB, UK
Interests: nutrition; physical activity; exercise and disease states; health and well-being; performance nutrition
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Guest Editor
Faculty of Health Science and Sport, University of Stirling, Stirling FK9 4LA, UK
Interests: physical activity and sedentary behaviour measurements; physical activity promotion and sedentary behaviour awareness; physical activity promotion for improved health outcomes and aging; strength and conditioning for improved health and performance

Special Issue Information

Dear Colleagues,

Childhood is generally considered a healthy period in a person’s life; however, lifestyles and behaviour established during childhood result in many non-communicable diseases (NCDs) that may manifest in later life and are a public health issue. Many of these NCDs are the result of modifiable risk behaviours established during childhood, such as a low level of physical activity, sedentary behaviour, unhealthy dietary patterns, high ultra-processed food (UPD) intake and poor sleeping patterns. Investing in the health of the young and encouraging healthy living today will have benefits for individuals in the future and the health of the nation [1].

Over the past decade, and specifically since COVID-19, time spent sitting and reclining while expending little energy (eg, sedentary behaviour) and engagement in specific sedentary activities (eg, screen-based behaviours) have rapidly emerged as potential additional risk factors for children’s physical and mental well-being.  Screen use has changed from TV to other screens; therefore, different metrics may need to be considered in order to assess sedentary behaviour [2].

Nutrition must also be considered when looking towards the long-term health of children.  Specific nutrients and food groups have long been established as purveyors of good health; however, the current generation of young people will be the first to have had such a great influence from dietary considerations such as ultra-processed foods (UPFs).  In recent decades, a nutrition transition has resulted in a global shift away from consuming minimally processed foods and towards ultra-processed alternatives, away from home-prepared dishes and ready-to-eat meals and snacks [3]. This same period has seen a rapid rise in the global prevalence of NCDs in children and adults.

This Special Issue of the International Journal of Environmental Research and Public Health (IJERPH) focuses on the current state of children’s physical activity and nutrition, with regard to current and long term health issues and NCDs as a public health concern and the consequences for individuals. New research papers, reviews, case reports and conference papers are welcome to this Special Issue. Other manuscript types accepted include methodological papers, position papers, brief reports and commentaries.

References

  1. Lee, I.M.; Shiroma, E.J.; Lobelo, F.; Puska, P.; Blair, S.N.; Katzmarzyk, P.T. Effect of physical inactivity on major non-communicable diseases worldwide: An analysis of burden of disease and life expectancy. Lancet 2012, 380, 219–229.
  2. Carson, V.; Hunter, S.; Kuzik, N.; Gray, C.E.; Poitras, V.J.; Chaput, J.P.; Saunders, T.J.; Katzmarzyk, P.T.; Okely, A.D.; Gorber, S.C. et al. Systematic review of sedentary behaviour and health indicators in school-aged children and youth: An update. Appl Physiol Nutr Metab. 2016; 41, 240–265.
  3. Popkin, B.M.; Adair, L.S.; Ng, S.W. The Global Nutrition Transition: The Pandemic of Obesity in Developing Countries. Rev. 2012, 70, 3–21

Dr. Lindsy Kass
Dr. Gillian McLellan
Guest Editors

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Keywords

  • children
  • physical activity
  • nutrition
  • sedentary behaviour
  • UPFs

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Published Papers (1 paper)

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14 pages, 517 KB  
Protocol
Designing, Developing, and Evaluating a Stakeholder-Informed Mobile App to Promote Physical Activity in Children
by Olga Papale, Emanuel Festino, Lamprini Papargyri, Cristina Cortis and Andrea Fusco
Int. J. Environ. Res. Public Health 2025, 22(9), 1460; https://doi.org/10.3390/ijerph22091460 - 20 Sep 2025
Abstract
Background: Prolonged sedentary behavior and associated obesity are recognized risk factors for poor health across the lifespan. Globally, data show that many children and adolescents aged 5 to 17 significantly increased their sedentary behaviors during the COVID-19 pandemic, failing to meet recommended physical [...] Read more.
Background: Prolonged sedentary behavior and associated obesity are recognized risk factors for poor health across the lifespan. Globally, data show that many children and adolescents aged 5 to 17 significantly increased their sedentary behaviors during the COVID-19 pandemic, failing to meet recommended physical activity levels and reporting increased smartphone use. While mobile devices and video games have been traditionally linked to physical inactivity, formats like exergaming, which combine gameplay with gross motor activity, offer potential to promote physical activity. However, many digital health tools for children are developed without incorporating feedback from key stakeholders and end-users (e.g., children, teachers, and guardians). Therefore, this paper, within the Walk around the Earth (E-Walk) project, describes a prospective study that aims (1) to identify the most influential factors or characteristics affecting engagement with and usability of a mobile application promoting physical activity among primary school students; (2) to develop a mobile application for children based on the identified factors and characteristics. Methods: This project will use a group concept mapping approach to identify the most influential features/factors/characteristics affecting engagement with and usability of an app. By involving primary stakeholders (e.g., children, teachers, guardians, and physical activity experts), the project seeks to align the app’s features with primary end-user needs and motivations. Following the app’s development, its effectiveness in increasing physical activity levels and reducing sedentary behaviors will be evaluated through a mixed-method design, incorporating anthropometric data, validated physical activity questionnaires (Physical Activity Questionnaire for Older Children (PAQ-C) and International Physical Activity Questionnaire (IPAQ)), and engagement metrics. Conclusions: The E-Walk project integrates participatory design with educational content and activity-based challenges, representing a multidimensional strategy for promoting health and learning in primary school students. Ultimately, this study contributes to the development of user-informed digital interventions that support sustainable behavioral changes, in line with broader goals of child well-being and digital health promotion. Full article
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