Search for: [Abstract = "The increase in interest in the topic of aging is associated \? to some extent \? with the currently unavoidable demographic changes. On the one hand, life expectancy increases, on the other hand, fertility rates fall. As a consequence the proportion of younger generations is reduced, and the share of older generations. A disturbing fact has been the low level of economic activity of the elderly, among others in Europe for many years. The reasons for this are complex."]