If you have been in a field for several decades, you end up taking a long view of trends and guidelines. You see how fashions change. Some things go, some things come back around, and new ideas are the best thing until the next new idea. This cycle of innovation and rediscovery is a hallmark of our society.
Biotensegrity—Another Way to Understand Your Body
In our culture a loss of up to 50% of the height of the discs as we age from our twenties to our fifties is considered normal. It follows that the herniations, nerve pain, and arthritic change that accompanies this chronic degeneration of our discs is also not seen as unusual. Pain and reduced ability to function is normalized.