By Jay Lebow - By examining how older members of our society actually live and looking at what we can learn from people who age successfully, one study shifts the focus away from the deficits experienced in aging to the factors that permit individuals to function effectively, both physically and mentally, well into old age.

A tipping point has been reached in the impact that psychotherapy research results, no matter of interest only among a small circle of academic, are going to have on what goes on day-to-day in therapists' offices.

Whatever the skeptics say, our research editor argues that the last quarter-century has produced an astonishing amount of meaningful research. Here's the list of his Top 10 research developments of the past generation.

Couples therapy is on a roll. Whereas a mere 20 years ago, surveys showed that consumers didn't think much of it, today it's become increasingly accepted by the general public. Yet the research about couples therapy, as well as research about couples themselves--why some marriages succeed and others don't--hasn't kept pace with the growth of couples therapy.