This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of Health and Disease, Subject name: Social & Preventive Medicine
[{'content': 'DALY is defined as- \nSelect and explain. \nA. Years of life lost to disability, B. Year of life lived with disability, C. Years of life lost to disability & premature death, D. Years of live lived in hospital', 'role': 'user'}, {'content': "Answer: C \nExplanation: 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 Sullivan's 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.", 'role': 'assistant'}]