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 \nSelect and explain. \nA. Disease - Adjusted Life year, B. Disability Adjusted Life year, C. Disease Associated Life year, D. Disability Associated Life year', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (Disability Adjusted Life Year) (24-Park 19th) (26-Park 20th)DALY - (Disability Adjusted Life Year) - is a measure of the burden of disease in a defined population and the effectiveness of the interventions.* DALYs express years of life lost to premature death and years lived with disability adjusted for the severity of the disability. One DALY is "one lost year of healthy life"* DALYs are advocated as an alternative to QALY and claimed to be a valid indicator of health* HALE (health-Adjusted Life Expectancy)* DALE (Disability Adjusted Life Expectancy)', 'role': 'assistant'}]