By Dr. Brian McDonough

KYW’s Medical Reports Sponsored By Independence Blue Cross

By Dr. Brian McDonough, Medical Editor

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PHILADELPHIA (CBS) — For many of us, the 40-hour workweek is a thing of the past. In fact, a significant percentage of U.S.��adults work about nine hours per day, on average, and more than one out of three employed adults work on weekends. But there can be a heavy price to pay for all of those hours.

According to a study from the Journal of Environmental and Occupational Medicine, the more hours per week a person works, the greater his or her risk for cardiovascular disease.

Researchers studied nearly 2,000 U.S. employees who held a job for at least ten years. Each year people who clocked more than 46 hours per week had the greatest risk.

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And it gets worse with more hours.

Compared with people who worked 45 hours per week, those who logged 55 hours had a 16 percent higher risk for heart problems.

Here is how it works: spending long hours at work can raise blood pressure and this can lead to damage the heart and arteries.

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In case you are wondering, people who work a lot are also less likely to exercise — and that does not help things.