EurekAlert delivers another pointed reminder of the necessity of exercise for healthy longevity. Calorie restriction may be strictly better, but you're only hurting yourself by not keeping up with the exercise: "Continuing to lead an inactive lifestyle leads to a gradual decline in many important markers for cardiovascular health. ... The good news is that a small amount of physical activity can make a big difference in reducing the risks for developing such conditions as heart disease, stroke or diabetes. Our findings demonstrate that while the cost of choosing a sedentary lifestyle can be high, switching to an active way of life can be beneficial at any time." You only have the one shot at living healthily into the era of meaningful anti-aging medicine - why risk missing out on a long, exciting future by failing to keep up with the health basics today?