Working 11 hours can up heart attack risk by 67 percent

April 5th, 2011 - 1:28 pm ICT by IANS  

London, April 5 (IANS) People who spend more than 11 hours a day at work increase their chances of having a heart attack by 67 percent, a study has found.

A team from University College London looked at more than 7,000 civil servants over a period of 11 years and established how many hours they worked on an average a day.

They also collected information, including the condition of their heart, from medical records and health checks. Over the period, 192 had suffered a heart attack, reports the journal Annals of Internal Medicine.

The study found that those who worked more than 11 hours a day were 67 percent more likely to have a heart attack than those who had a ‘nine to five’ job, according to the Daily Mail.

Said Mika Kivimäki, who led the study: “We have shown that working long days is associated with a remarkable increase in the risk of heart disease.”

The researchers say their findings could potentially prevent thousands of heart attacks a year as they would help physicians get a better idea of how likely a patient was to have one.

Patients already at high risk - by being obese or smoking, for example - could be encouraged to cut down on their working hours.

Around 2.6 million in Britain alone have heart disease, in which the organ’s blood supply is blocked by the build-up of fatty deposits in the coronary arteries. It claims 101,000 lives every year in the country.

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