This document was prepared for Ageing and Health(AHE) by under the guidance of Dr Alexandre Kalache Dr Claudia Stein and Ms Inka Moritz, AHE Group Leader WHOs Ageing and Health thanks the following departments and units, among others, for their comments on this document: Child and Adolescent Health Developmen Communicable Diseases Extended Programme on Immunisation Health Sy Mental Health Nutrition for Health and Development ubstance abuse Tobacco free Initiative Photos copyrights: Front cover left to right: numbers 1, 2 WHO/PAHO; 3 UNICEF/Noorani; 4 WHO/PAHO; 5 Keskisuomalainen/Ari Haapa-ahe World Health Organization 1999 This document is not a formal publication of the World Health Organization(WHO)but all rights are reserved by the Organization. The document ay be freely reviewed, abstracted, reproduced and translated, in part or in whole(with due acknowledgements ); however, it may not be sold used in conjunction with commercial purposes The views expressed in this document by named authors are solely the responsibility of those authors 22 This document was prepared for Ageing and Health (AHE) by under the guidance of Dr Alexandre Kalache Dr Claudia Stein and Ms Inka Moritz, AHE Group Leader. WHO’s Ageing and Health thanks the following departments and units, among others, for their comments on this document: Child and Adolescent Health Development Communicable Diseases Extended Programme on Immunisation Health Promotion Health Systems Mental Health Nutrition for Health and Development Reproductive Health Substance Abuse Tobacco Free Initiative Women’s Health © World Health Organization 1999 This document is not a formal publication of the World Health Organization (WHO) but all rights are reserved by the Organization. The document may be freely reviewed, abstracted, reproduced and translated, in part or in whole (with due acknowledgements); however, it may not be sold or used in conjunction with commercial purposes. The views expressed in this document by named authors are solely the responsibility of those authors. Cover design: Marilyn Langfeld Photos copyrights: Front cover left to right: numbers 1,2 WHO/PAHO; 3 UNICEF/Noorani; 4 WHO/PAHO; 5 Keskisuomalainen/Ari Haapa-aho