Final answer:
Yes, lung cancer is highly related to cigarette exposure. Smoking causes 90 percent of lung cancers and tobacco smoke contains 50 known carcinogens or cancer-causing agents.
Step-by-step explanation:
Yes, lung cancer is highly related to cigarette exposure. Smoking causes 90 percent of lung cancers and tobacco smoke contains 50 known carcinogens or cancer-causing agents. Additionally, exposure to secondhand smoke and other potential causes like radon gas and asbestos can also increase the risk of developing lung cancer.