What would you recommend: Get on a diet to lose that extra 10 or 15 pounds? Or forget about dieting, just get out there and exercise? Sure, it’s better to be fit AND thin, and it’s also better to be rich, famous, brilliant, and good looking. But we can’t choose all of these things. When it comes to reducing cardiovascular risks, and boosting the chances of a long, healthy life, which is a better bet—to be fit, or to lose weight? In a study from the Journal of the American Medical Association, fitness is shown to have important consequences on cardiovascular health—independent of weight.