• Consumer Health: Heart attack risk and secondhand smoke

a burning cigarette, with smoke curling upward into the airHeart attack prevention: Should I avoid secondhand smoke?
Secondhand smoke exposure is a risk factor for having a heart attack. It's especially important to avoid secondhand smoke if you have had a previous heart attack or been diagnosed with heart disease. And if you smoke, the best way to reduce your heart attack risk is to quit. Learn more from Dr. Francisco Lopez-Jimenez, a Mayo Clinic cardiologist.


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