This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
Air pollution may cause - 
Select and explain. 
A. Dermatitis, B. Carcinoma bronchus, C. Bronchiectasis, D. Pneumonia
B: Carcinoma bronchus
Answer: B: Carcinoma bronchus 
Explanation: Approximately 17% of annual premature lung cancer deaths in adults are attributed to exposure to carcinogens from household air pollution caused by cooking with solid fuels like wood charcoal and coal. Other effects: Respiratory tract infections Bronchial hyperactivity impaired lung defence bronchiolitis obliterans Asthma, COPD impaired neuropsychological development in paediatrics Park's Textbook of Preventive and Social Medicine, 25th edition, Page No. 797