Night shifts raise heart attack risk
Sunday July 29, 2012 12:16:56 PM,
IANS
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London: Shift work
can dramatically increase the risk of heart attacks and strokes,
warn researchers.
A study of two million people found shift workers are almost 25
percent more likely to suffer, the Daily Mail reported Friday.
Night shift workers run the highest risk of 41 percent, says a
study published on the British Medical Journal website bmj.com.
People working shifts also have higher levels of unhealthy
behaviours such as eating junk food, sleeping badly and not
exercising, which are linked to heart problems.
But researchers said they took this into account - and the excess
risks remained.
The latest study is the biggest analysis of shift work and
likelihood of vascular problems, including heart attacks, strokes
and angina.
Shift work has long been known to disrupt the body clock and be
linked to high blood pressure, high cholesterol and diabetes, but
the overall impact on cardiovascular health has been unclear.
A team of international researchers analysed the results of 34
studies involving 2,011,935 people to investigate whether shift
work was associated with major vascular events, the newspaper
added.
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