In this book, the authors have gathered and present current research in the study of child nutrition and health from across the globe. Topics discussed include the exposure of Slovenian preschool children to preservatives and polyphosphates; the breakfast experience in low socioeconomic families with overweight children; nutrition in children and adolescents with cancer; calcium supplementation in young children in Asia; early vitamin D supplementation, immune modulation and allergy; and the factors associated with overweight and obesity among Kuwaiti young children.