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咖啡是当今世界的三大饮料之一，其主要成分是咖啡因，适当饮用，能振奋精神，有一定的健身作用，但如果长期饮用或过量饮用，则会影响健康。主要表现如下。心血管疾病：关于咖啡和咖啡因是否能诱发心脏病争议颇多，其中有两点值得重视：一是有心脏病史的人每天若喝5杯以上咖啡
Coffee is one of the three major beverages in the world today. Its main ingredient is caffeine, which is properly drinkable, refreshing and has some fitness effects. However, if it is consumed for a long time or consumed in excess, it will affect health. The main performance is as follows. Cardiovascular Diseases: There are a number of controversies over whether coffee and caffeine can induce heart disease. There are two important points to note: First, those with a history of heart disease drink more than 5 cups of coffee daily