What if you could prevent cancer and heart disease by simply buying a few items off the grocery shelf? Sound crazy? Well, apparently many Americans don't think so. More than 40% of us take vitamins and other supplements, driving a $30 billion a year business that shows no sign of slowing down. But how safe is it to play your own doctor? Practitioners of both conventional and integrative medicine debate the pros and cons of nutritional supplements on this episode of Second Opinion.

It is called the silent killer, presenting few symptoms until there is serious physical damage. One out of three Americans suffer from hypertension and many of us don't even realize it. What qualifies as "high blood pressure," and what do the numbers mean? Panelists discuss the latest in diagnosis and treatment in this episode ofSecond Opinion.

More than 20 million women suffer in silence with a secret that causes embarrassment, humiliation and life-altering decisions. Join LPGA champion golfer Terry-Jo Myers in this lively episode ofSecond Opinion, when our panelists reveal why even doctors avoid the subject of incontinence and how the latest treatments offer new hope.