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 pre-school children to preservatives and polyphosphates; the breakfast experience in low socio-economic 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.