Harvard Heart Letter

Putting heart attack, stroke triggers in perspective

Certain activities and situations can trigger heart attacks in those at risk, but researchers are showing how these risks need to be placed in the proper context. The impact of triggers depends largely on cardiovascular health. They are far more likely to cause a heart attack, stroke, or cardiac arrest in a person with heart disease than in someone with a healthy heart and arteries. Physical condition also matters. Exercise or physical exertion is much more likely to trigger a heart attack in someone who leads a sedentary life than in someone who exercises regularly. It's almost impossible to avoid cardiovascular triggers, but you can reduce or inactivate their effects.
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