A new study reveals the stressful and often dangerous work done by police officers, may put their heart health at risk. 

Data showed officers are 30 to 70 times more likely to suffer sudden cardiac death while involved in altercations, restraints or chases, than when they're doing non-emergency work. 

The risk of a fatal heart attack was also 20 to 25 times higher during physical training exercises…and nine times higher during rescue operations. 

Because sudden cardiac deaths account for up to 10% of on-duty police deaths, experts say more prevention efforts are needed for law enforcement officers. 

This study was led by researchers at Harvard School of Public Health and published in 'British Medical Journal'.

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