Increasingly sedentary lifestyles are contributing to overweight and other health concerns as children spend less and less time outside engaged in active play. Outdoor play provides important opportunities to explore the natural world, interact with peers, engage in vigorous physical activity, and learn about our environment. However, outdoor…

This article describes the revised and updated "Diagnostic Classification of Mental Health Disorders of Infancy and Early Childhood, Revised Edition (DC:0-3R)." The authors describe the impetus for developing the original diagnostic classification system for children from birth to age 3 in the 1980s. There was a need for a diagnostic…

"Zero to Three" is a single-focus bulletin of the National Center for Infants, Toddlers, and Families providing insight from multiple disciplines on the development of infants, toddlers, and their families. Conceived by the Zero to Three Child Welfare Task Force, this issue focuses on agents of change for infants and toddlers in foster…