It is good for psychological well-being, because it releases tension and helps relaxation and sleep. Along with proper diet, it can help people control their weight. Walking is an excellent choice for activity because it is rhythmic, repetitive, involves large muscle groups and challenges the circulatory system. When a person's cardiovascular system is fit, he or she can exercise vigorously for long periods without undue fatigue. The person is able to respond to sudden physical or emotional demands more readily and with less strain.
Exercise also leads to a sense of well being and is helpful in decreasing depression.
Staying motivated is very important in maintaining fitness. You may help yourself out by scheduling time in your daily planner , working out with a friend, or maybe joining a club. Your goal should be personal fitness. You have an individual system with unique needs and capacities. Develop it to your potential.