How exercise supports successful aging

This is an excerpt from Ageless Intensity by Pete McCall.

All of the systems in the body are made up of cells. One of the greatest benefits of high-intensity exercise is that it results in mechanotransduction, which is the process of mechanical forces stimulating the production of new cells in muscle and connective tissues. If your car becomes scratched, you may need to apply some paint to cover up the scratch. As you age, high-intensity exercise creates the mechanical forces that can stimulate production of new cells, which is like carrying touch-up paint to fix damaged tissues in your body. Table 2.4 outlines the systems of the body that receive the greatest benefits from exercise.