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Section 2: Risk Factors & Prevention

Section 2: Risk Factors & Prevention - Family History

Section 2: Risk Factors & Prevention - Hormones

Section 2: Risk Factors & Prevention - Smoking, Alcohol & Drugs

Section 2: Risk Factors & Prevention - Sleep

Section 2: Risk Factors & Prevention - Obesity & Diabetes

Section 2: Risk Factors & Prevention - Exercise

Section 2: Risk Factors & Prevention - Aspirin

ABC News OnCall+ Heart Disease