<prompt> DALY is defined as-Years of life lost to disabilityYear of life lived with disabilityYears of life lost to disability premature deathYears of live lived in hospital  <response>: Ans. is c i.e., Years of life lost to disability premature death Disability-adjusted life years DALY DALY is a measure ofi The burden of disease in a defined populationii The effectiveness of interventions It expresses years lost to premature death and years lived with disability adjusted for the severity of the disability. That means, DALY measures both mortality and disability together in contrast to Sullivans index which is related to disability only. One DALY is one lost year of healthy life. Japanese life expectancy statistics are used as a standard for measuring premature death, as Japanese have the longest life expectancy. 