Here is one of the most disturbing, starkest statistics you'll read: one out of two women will die of cardiovascular disease.

"It's not just the heart," Dr. Oz explains. "You rust the arteries to the brain and the kidney. So that statistic means one of the two of you, odds are, will die of kidney failure, stroke or heart attack. There's a common cause: our modern lifestyle."

But there's always hope for turning things around. Dr. Oz has a simple suggestion. "Exercise to build heart health. What does that mean? That means we have to break a sweat 60 minutes a week. That's not a lot to ask."

More keys to long life from from Dr. Oz, America's Doctor.