A research report claims that drinking 3 or 4 cups of coffee a day prevents coronary artery(artery enclosing the heart) disorder.
This report came from Sungkyunkwan University (SKKU) School of Medicine’s Gangbuk Samsung Hospital Cohort Institute. It was made by comparing the amount of coffee intake with the degree of calcification of the coronary artery in 25,000 people. The research team divided people into four groups. First group consisted of those who never drink coffee, the second is those who drink less than one cup, the third is those who drink between one and three cups of coffee and the last is those who drink between three or five cups of coffee. The degree of calcification and the total amount of atherosclerotic plaque (waste that clog blood vessels) showed a high correlation. The amount of atherosclerotic plaque is used in predicting coronary artery disorder.
The analysis result showed that early coronary artery disorder occurrence ratio in the last group was 20% lower than the group that never drank coffee. Also the degree of calcification in the last group decreased by 41%. However there were no changes in the effectiveness of a group that drank more than 5 cups.
How coffee helps prevent cardiovascular disorder is still unclear, but researchers speculate that the antioxidant properties in coffee induces the decrease of Low Density Lipoprotein(LDL) cholesterol, which is the catalyst for heart disorder and arteriosclerosis.
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