求翻译：随着生活水平的提高和生活节奏的改变，三高症已经成为中老年人健康的常见病，全世界每年死于心脑血管疾病的人数高达1500万人，居各种死因首位。是什么意思？

With the improvement of living standards and the pace of life change, high disease has become a common disease of the elderly health, the number of people die each year from cardiovascular and cerebrovascular diseases in the world up to 15 million, ranking the first of a variety of causes of death.

With the improvement of living standard and fast pace of life, and change the 3 high-E has become a health of older people in the common diseases in the world, die every year from heart disease and cerebrovascular disease in up to 15 million people living in various death first.

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