"It's just shifted the morale of the health-care worker, " Stachel said.
CNN: 'Solar suitcase' saving moms, babies during childbirth
"I'm going to keep working after I retire, if nothing else for the health care, " said Nadine Krieger, 58, a food plant worker from East Berlin, Pa.
MSN: Poll reveals baby boomers' retirement fears
She said people in such industries had the "healthy worker effect", in which constant health awareness made them healthier than the average citizen.
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