This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NCDs: CHD, HTN, DM, RF, Cancers, Obesity, Blindness, Subject name: Social & Preventive Medicine
Occupational exposure to Benzene may lead to: 
Select and explain. 
A. Lung cancer, B. Leukaemia, C. COPD, D. Neurofibromas
B: Leukaemia
Answer: B: Leukaemia 
Explanation: Benzene is known to cause cancer, based on evidence from studies in both people and lab animals. The link between benzene and cancer has largely focused on leukemia and other cancers of blood cells.