Lesions refer to areas of damage or abnormal tissue in the body, which can be caused by various factors such as injury, infection, inflammation, or disease. In the context of medical research, studying lesions typically involves examining their characteristics, causes, and effects on the body. Researchers may investigate the underlying mechanisms of lesion formation, develop diagnostic methods to detect lesions, and explore treatment options to manage or repair these damaged tissues. Understanding lesions can provide valuable insights into the pathophysiology of different diseases and guide the development of targeted therapies to improve patient outcomes.