Heart researchers say nine risk factors account for nine out of ten heart attacks.

Based on a study of 30,000 people worldwide, researchers say that the cause of almost all heart attacks can be pinpointed to one or more of the following:

• Smoking
• Abnormal cholesterol
• Diabetes
• High blood pressure
• Stress
• Abdominal obesity
• Sedentary lifestyle
• Eating too few fruits and vegetables
• Abstaining from alcohol