TABLE OF CONTENTS Summary Introduction    Acute and chronic undernutrition Measuring nutritional status in adults Weight Body Mass Index    Theoretical problems with BMI    Practical problems with BMI    Summary - the use of BMI Mid-Upper Arm Circumference (MUAC)    Theoretical problems with MUAC    Practical problems with MUAC    Summary - the use of MUAC Combination measures Clinical signs for screening acute undernutrition    Famine oedema    Clinical models    Activities of daily living    Summary - the use of clinical models Primary and secondary undernutrition General summary - suggested indicators for assessing adult undernutrition... Where do we go from here? Future research needs: References Appendix 1: Basic definitions