<prompt> 1 DALY means -1 year of disease free life1 lost year of healthy life1 month of bedridden lifeNone of these  <response>: Ans. is b i.e., 1 lost year of healthy life Disabilitv-adiusted life years DALYJo DALY is a measure of:-i The burden of disease in a defined populationii The effectiveness of interventionso It expresses years lost to premature death and years lived with disability adjusted for the severity of the disabilityo That means, DALY measures both mortality and disability together in contrast to sullivans index which is related to disability onlyo One DALY is one lost year of healthy life.o Japanese life expectancy statistics are used as a standard for measuring premature death, as Japanese have the longest life expectancy. 