How and why does each of us grow up to be the person we are? What role do genes play in shaping our behaviour and personalties? Are our characters fixed, or can we change as adults? How does early experience affect our sexual preferences? Why do children play/ These are all questions about behavourial development - the lifelong process of growth and change from conception to death that is central to an understanding of human nature . Written in clear and simple language this book offers an understanding of the science that lies behind many current controversies in parenting, education, social policy and medicine. The lucid syle, carefully chosen scientific examples and literary quotations make it both accessible and entertaining. DESIGN FOR A LIFE is a book about a cutting edge of scientific understanding that will speak to every reader.