Important Mental and Physical Benefits of Getting Sober
A heart attack (myocardial infarction or MI) is a critical medical emergency in which the blood supply to the heart is suddenly cut off, typically by a blood clot.
The major cause of heart attacks is coronary heart disease (CHD). CHD is a disorder in which the coronary arteries (the primary blood vessels that deliver blood to the heart) become blocked with cholesterol deposits.
A shortage of blood supply causes tissue in the heart muscle to die during a heart attack. When the flow of blood to the heart is substantially diminished or blocked, a heart attack ensues. The obstruction is mainly caused by a buildup of fat, cholesterol, and other chemicals in the arteries leading to the heart (coronary).
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