A New York Times article states that walking as much as 40 minutes per day has the potential to increase your memory as we age. Another reason for us to remain as active and avoid a sedentary lifestyle. I have noticed in my own life that my mental, emotional and spiritual energy goes up as my level of physical activity increases. I am not sure why or how it happens, but it is definitely true for me.
It took a while for me to find time and an activity that works for me. and after three years of being very “religious” about it I finally feel that I am making some real progress in terms of level of fitness. My recommendation for someone who wants to start or start again is to begin slowly and build gradually. You might can make quicker progress but it won’t be sustainable which in my mind is more important.