Tobacco exposure refers to the inhalation or ingestion of tobacco smoke, which contains harmful chemicals such as nicotine, tar, carbon monoxide, and various carcinogens. Research in this area focuses on understanding the health effects of tobacco exposure, including its role in the development of various diseases such as cancer, respiratory diseases, and cardiovascular diseases. Studies also explore strategies for tobacco control and prevention, as well as interventions to help individuals quit smoking. Tobacco exposure research plays a crucial role in informing public health policies and initiatives aimed at reducing the prevalence and impact of tobacco use on global health.