Diet and exercise are essential components of a healthy lifestyle. While even the busiest men and women can find ways to eat healthy, finding time to exercise can be more difficult.According to the President’s Council on Fitness, Sports and Nutrition, regular physical activity can prevent chronic diseases like heart disease, cancer and stroke, which are the three leading causes of health-related death in the United States. While the benefits of regular exercise are substantial, finding the time for daily exercise is not always so easy.