Health Fusion: You can't escape the consequences of a bad diet by running away from it

<p>If you pick fries instead of vegetables and indulge in a high-fat, sugary dessert every night, you can still be heart healthy if you exercise it off, right? Wrong. In this episode of NewsMD's "Health Fusion," Viv Williams has details of a new study that shows you can't outrun a chronically bad diet.</p>