लेखक: Sara Carmel

In the twentieth century, all developed nations began to undergo unprecedented demographic changes, as their birth rates declined, and life expectancies increased significantly –an average of thirty …

In the twentieth century, all developed nations began to undergo unprecedented demographic changes, as their birth rates declined, and life expectancies increased significantly –an average of thirty …

The global phenomenon of the aging of societies during a period of outstanding scientific, economic, and technological advancements is a blessing for humanity. These fundamental changes, however, cre …

The global phenomenon of the aging of societies during a period of outstanding scientific, economic, and technological advancements is a blessing for humanity. These fundamental changes, however, cre …