Now revised and updated this widely acclaimed book explains the important expects of the human body in an approachable and straightforward way for anyone aged ten and over. The Growing Up section describes what exactly happens at the time of puberty. The roles of hormones are clearly explained with the changes these bring about. The are sections on having kids as well as the importance of eating right, exercising regularly, the reasons we have to stay clean and the risks and harms of smoking, drinking and drugs. The babies section traces the growth and development of a baby from conception to birth and during the first years of life. There is a lot of practical information about how to look after a baby as well.