HEALTHY LIVING
07/18/2009 05:12 am ET Updated Nov 17, 2011

STUDY: Retirees Who Volunteer Live Longer

If you have a purpose in life -- lofty or not -- you'll live longer, a new study shows.

It doesn't seem to matter much what the purpose is, or whether the purpose involves a goal that's ambitious or modest.

"It can be anything -- from wanting to accomplish a goal in life, to achieving something in a volunteer organization, to as little as reading a series of books," said study author Dr. Patricia Boyle, a neuropsychologist at the Rush Alzheimer's Disease Center and an assistant professor of behavioral sciences at Rush University Medical Center in Chicago.

Read more on Yahoo! News