The commonest form of heart attack is a coronary thrombosis: a blood clot in an artery supplying the heart muscle checks the blood flow and starves the muscle. To overcome this handicap, the heart must labor excessively; like a car on a steep grade in high gear, it pings alarmingly and may stall. A noted Canadian psychiatrist suggested last week that the basic cause of the trouble may be found, not where doctors have been looking, in the patient's physical exertions or his arteries, but in his emotional problems.
Ottawa's Dr. John P. S. Cathcart told the Canadian Psychiatric Association in Winnipeg...
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