CHICAGO (AP) - A warning for older people about sex and exercise.
A new analysis says if they don't already exercise regularly, either one could trigger a heart attack.
The analysis, which combined results from 14 studies and more than 6,000 patients, says the risk is low, but should encourage people to be more active.
(Copyright 2011 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.)