> So moderate exercise is the optimal. Not too much or too little. But how does one know what is too much? It is different for different people. "too much" is

> So moderate exercise is the optimal. Not too much or too little. But how does one know what is too much? It is different for different people. "too much" is sky high. Like "training for Tor des Géants" high. I don't think that anyone being leisurely active can even graze the training-too-much zone.