Study: Shift Work Is Tough on Workers' Hearts The study wasn't designed to prove cause and effect, but the data showed that shift workers were 13 percent more likely to develop coronary heart disease than daytime workers.
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Study: Shift Work Is Tough on Workers' Hearts The study wasn't designed to prove cause and effect, but the data showed that shift workers were 13 percent more likely to develop coronary heart disease than daytime workers.
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