Introduction. Beta-blockers, also known as beta-adrenoceptor blocking agents, are medications used to treat conditions such as angina, heart failure and high blood pressure. They decrease the activity of the heart by blocking the action of hormones like adrenaline.
1 The concept of âdemographic changeâ describes a populationâs age structure adjusting to. changes in living conditions. Consequently, changes in thcomposition of a societyâe s age. structure are the result of social shifts. (. 2  cf. . 3  theory of first and second demographic transition.
âAll statistical analyses take into account dietary and demographic factors and tobacco and alcohol habits.â âA major demographic trend of the aging population is the increasing number of women.â âThe growth can be explained by demographic growth, he said, and not by efforts of the university.â âThe demographic trend throughout the western world is towards an aging population.â âThose social and demographic factors may be key contributors to potential crises in the future.â âComparisons are drawn between demographic patterns and career patterns of the two countries.â âThey point out that the demographic structure of Scotland is changing as we are becoming an aging society.â