The Advancing Excellence in America's Nursing Homes campaign-a nationwide, voluntary quality improvement initiative-celebrated its second birthday this week.

Whether or not to undergo a surgical procedure can be a tough call, and most patients come armed with many concerns to talk through with their doctors. But a recent study finds that seniors just aren't asking many of those questions.

While no one knows for certain what causes us to age, prevailing wisdom suggests it's a buildup of stresses and the cumulative effects of disease. The surprising results of a recent study, however, say otherwise.