Live younger longer : 6 steps to prevent heart disease, cancer, Alzheimers and more

In the past century, the leading causes of death around the world have shifted from infectious diseases to long-term chronic illnesses. What's killing us today isn't so much flu or tuberculosis, but heart disease and cancer. In fact, more than 1.2 million Americans die from these two diseases each year. Paradoxically, these chronic diseases are a consequence of living longer than ever. But even if we're living longer, are we living better? The ov...