- Heavy smoking and smoke inhalation may worsen impact of heart attacks Mirage News
- Heart disease: The activity done by millions of Brits makes the heart 'thicker and weaker' Express
- Heavy smoking and smoke inhalation linked to poor prognosis after a heart attack News-Medical.Net
- Smoking Can Really Weaken the Heart U.S. News & World Report
- Air pollution doesn't raise heart attack risk in smokers -- because they're already 'self-intoxicating with pollutants' Study Finds
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