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The WHO has issued a 
 about the 
 of overworking. It said this has caused the 
 death of hundreds of thousands of people. The 
 found that around three-quarters of a million workers die early from 
 and heart attacks because of 
. Most of 
 deaths were in people aged 60 to 70 
 worked over 55 hours a week between the 
 of 45 and 74. Men accounted for 72 per cent of these 
.