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Prevention of obesity in preschool children
Julie Lanigan1, Sally Barber, Atul Singhal
1The MRC Childhood Nutrition Research Centre, University College London, Institute of Child Health, 30 Guilford Street, London WC1N 1EH, UK. j.lanigan@ich.ucl.ac.uk
Insights
Childhood obesity is a growing global concern, with preschool years being critical for habit formation. Evidence-based prevention strategies are urgently needed to address this public health issue.
Area of Science:
- Pediatrics
- Public Health
- Nutritional Science
Background:
- Childhood obesity is a significant global health issue affecting diverse populations.
- Overweight prevalence in children under five was 22 million in 2007, with projections indicating a quarter of UK children under 16 will be obese by 2050.
- Obesity often originates in the preschool years, with long-term implications as one in five obese four-year-olds become obese adults.
Purpose of the Study:
- To highlight the critical role of the preschool period in establishing lifelong health habits.
- To underscore the urgent need for effective, evidence-based interventions for preschool obesity prevention.
- To address the limitations in current research concerning obesity in preschool-aged children.
Main Methods:
- Review of existing literature on preschool obesity.
- Analysis of factors contributing to obesity in young children, including genetics and environment.
- Evaluation of previous intervention strategies and their success rates.
Main Results:
- Obesity in preschool children is multifactorial, influenced by both genetic predisposition (30-50%) and environmental factors.
- The preschool period is pivotal for establishing dietary and physical activity habits with lifelong consequences.
- Previous interventions focusing on diet, physical activity, and behavioral change have had limited success.
Conclusions:
- There is a critical need for the development and implementation of evidence-based interventions to prevent preschool obesity.
- Targeting the preschool years is crucial for long-term public health impact.
- Further research is required to understand and effectively combat the rising rates of childhood obesity.
Abstract:
Obesity is a serious problem that affects children from diverse ethnic backgrounds in both industrialised and developing countries. Worldwide, an estimated twenty-two million children <5 years of age were overweight in 2007. In the UK if current trends continue an estimated one-quarter of all children <16 years of age will be obese by 2050. Recent evidence suggests that most obesity is established during the preschool years, and because one in five obese 4 year olds will become obese adults this situation has major implications for public health. The causes of obesity in preschool children are complex and multifactorial. Although 30-50% of the predisposition towards obesity in preschool children can be explained by genetic factors, environmental influences also play a crucial role. The preschool period in particular is a pivotal time during which long-term dietary and physical activity habits are established, with potential lifelong effects on health. However, research in this age-group is limited. Previous studies have aimed to improve diet, increase physical activity and achieve behavioural change. However, few of these studies have been successful and there is an urgent need, therefore, for the development of evidence-based interventions aimed at the prevention of preschool obesity.
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