This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mental Health, Subject name: Social & Preventive Medicine
MCC of DALYs lost among Mental health disorders is:- 
Select and explain. 
A. Unipolar Depression, B. Bipolar depression, C. Schizophrenia, D. Alcohol disorders
A: Unipolar Depression
Answer: A: Unipolar Depression 
Explanation: MCC of DALYs lost among Mental health disorders is Unipolar Depression. DALY- Disability adjusted life years - It is best indicator of '' disease Burden '' - M/C mental health disorder is unipolar depression - DALY'S lost d/t unipolar depression = 64,963 - M/C mental health disorder resulting in death is - Alzheimer's & dementias - MC substance abused - Tobacco - MC Narcotic substance abused - cannabis - Mental morbidity = 18-20/1000 population.