I believe that human beings are designed to be physically active and that not doing so creates energy imbalances within the body that ultimately contribute to obesity and other health problems. As evidence, over 500,000 people die each year from diseases linked to physical inactivity and obesity. Furthermore, rates of hypertension, hypercholesterolemia, type 2 diabetes, and certain forms of cancer have all tripled over the past 30 years corresponding to decreasing levels of daily physical activity and increasing rates of obesity.