Marriage as a factor of healthy and active longevity in the context of demographic aging of the population

The article examines the impact of marriage on health and active longevity. The main theoretical approaches are analyzed, including the concept of active longevity, the biopsychosocial model of health and the theory of successful aging, as well as key theories of social support explaining the mechanisms of the positive impact of marital relations on physical, psychological and social well-being. Special attention is paid to the role of marriage in reducing the risk of chronic diseases, maintaining cognitive functions and improving emotional well-being in old age. It is noted that the quality of marriage, the level of social support and the involvement of spouses in joint activities are the determining factors of the influence of marriage on life expectancy and quality of life. In conclusion, the importance of strengthening marital relations and creating a supportive family environment is emphasized as a tool to improve the quality of life in old age.