Abstract
This chapter provides a brief summary of a considerable number of studies relating to the health and development of the Dunedin sample in their early years. The topics described are as follows: health, development, perinatal influences, twins, breast-feeding, attachment, motor development, language development, behaviour, temperament, speech, physical development, vision, stereopsis, enuresis, lead, intelligence, reading, family characteristics, mothers, parental characteristics, experiences, activities, socio-economic status, antisocial behaviour.