A 21-year study conducted at the Stanford University Department of Medicine confirms what most of us older runners have smugly known all along. Running is helping us remain healthier and live longer. "This study demonstrates that participation in long-term running and other vigorous exercise among older adults is associated with less disability and lower mortality over two decades of follow-up," was a comment made by those who did the study, Eliza F. Chakravarty, MD, MS; Helen B. Hubert, PhD; Vijaya B. Lingala, PhD and James F. Fried, MD. A group of runners age 50 and older was compared to a control group throughout the study. For those of us who just happen to be runners, and older runners in particular, this is good news.
Nothing is simple. This is a very detailed study. Here is a link to a boiled-down summary: http://archinte.ama-assn.org/cgi/content/short/168/15/1638
Thanks to fellow Fossils Chris Nemeth and Keith Holzmueller for pointing this my way.