Opinion
|
|
|
| The Moral Test of Power | | | | Abid Hussain Rather
When we turn the pages of human history we find that it is usually narrated as a story of kings, wars, empires and revolutions. But there is another story running quietly behind all these events and that is the story of human beings searching for power. From the first stone tool made by early humans to today’s artificial intelligence, every major step in civilization has increased our ability to control nature, change our surroundings and influence the lives of others. Human beings have always been eager to become stronger, faster, more knowledgeable and more capable. But there is one question that we often forget to ask: As our power has increased, has our wisdom inc | |
| | | | The Biology of Bone Aging: Degeneration, Mechanisms and Rejuvenation | | | | Dr. Vijay Garg
Bone is often viewed simply as the framework that supports the body, but it is a living, dynamic tissue that constantly renews itself. Throughout life, old or damaged bone is removed by osteoclasts and new bone is produced by osteoblasts. With advancing age, however, this delicate balance gradually becomes disturbed. Bone loss, structural deterioration and reduced repair capacity can ultimately increase the risk of osteoporosis and fractures. Recent research describes bone aging not as a single process, but as a complex interaction of molecular, cellular, tissue and systemic changes.
How bones age
Bone remodeling is essential for maintaining skeletal strength. In younger | |
| | |
|
|
| |
| |
|
|
|
|
|
|
|
|