Natural Play, Healthy Play: Environmental Determinants of Young Children's Outdoor Physical Activity

The prevalence of obesity among young children has markedly increased over the past two decades, with more than one-third of American preschoolers now overweight or obese and at risk for lifelong health problems. Physical activity is a recommended obesity prevention strategy, yet preschoolers typically fail to meet recommended daily physical activity guidelines, spending just 15 minutes engaged in moderate to vigorous physical activity, compared to six sedentary hours daily. Unstructured play in settings with varied...
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