Researchers found that working 61 to 70 hours a week increased the risk of coronary heart disease by 42% and working 71 to 80 hours increased it by 63%. https://t.co/uCthZQQWu6 https://t.co/pOrHFWNxME

Researchers found that working 61 to 70 hours a week increased the risk of coronary heart disease by 42% and working 71 to 80 hours increased it by 63%. https://t.co/uCthZQQWu6 pic.twitter.com/pOrHFWNxME

— Mark S. Frey, DDS (@MarkSFreyDDS) April 9, 2018

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