Work kills: according to a new study, working 61 to 70 hours a week was associated with a 42% increased risk of coronary heart disease, and working 71 to 80 hours a 63% increased risk of coronary heart disease.

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Work kills: according to a new study, working 61 to 70 hours a week was associated with a 42% increased risk of coronary heart disease, and working 71 to 80 hours a 63% increased risk of coronary heart disease.