I know that members of this forum have divergent opinions on exercise, and some have a variety of good reasons for not doing so. But I know from my own experience, as a heart attack survivor 10 years ago, how my perception of health and lifespan varies with my level of physical activity and physical fitness.
I believe regular walking can be a huge health benefit for many – and perhaps more importantly – getting feedback from your body that might be telling you something is not quite right before it becomes a more serious problem.