Late-life depression refers to the occurrence of depressive symptoms in older adults, typically those aged 65 and above. It is a common mental health issue in this demographic, with many older adults experiencing feelings of sadness, hopelessness, and loss of interest in their usual activities. Late-life depression can have a significant impact on physical health, cognitive function, and overall quality of life. Research in this area focuses on understanding the causes, risk factors, and effective treatments for late-life depression, as well as strategies for prevention and management. This research is important in order to improve the mental health and well-being of older adults and to enhance their overall quality of life in their later years.