Two things that double the risk of MI

Being emotionally upset or engaging in heavy physical exertion may trigger a case of acute myocardial infarction even in apparently healthy people, according to a large international study.

Anger or emotional upset more than doubles the risk of onset of AMI symptoms within one hour, and the same is true for heavy physical exertion, the Canadian researchers report.

But when the two are combined the odds of MI are even greater, jumping to