I am inundated with health and fitness advice daily. I’m sure you are, too, and just like you, I need to apply a careful filter to what I pay attention to and what I ignore. One of the things I am less and less inclined to pay attention to is the advice of someone much younger than me. The reason is quite simple — a thirty-year-old just doesn’t know what it’s like to try to stay active in their forties.… The post The 4 Principles of Healthy and Effective Exercise After 40 appeared f...