By SARAH AVERY, Raleigh News & Observer
Study: Stress can lead to disease in some people
The economic crisis, depressed home values, job losses -- such stresses are enough to make a person sick.
And for many, that's exactly what's happening.
Separate studies by two Duke University research teams have found that certain inherited traits make some people more susceptible to disease when stress hormones hit the system.
New guidelines for heart treatment
Patients with heart blockages will be assessed for surgery on a new set of guidelines.
In 2005, more than 1 million Americans had angioplasties, in which a balloon is used to open blockage in an artery, and almost 500,000 had the more invasive heart bypass surgery to restore blood flow.

