在不同性别和所有种族间 ,心血管疾病是各国的头号杀手。每年大约 96万美国人死于心血管疾病 ,占死亡总数的40 %以上。通常认为心血管疾病主要影响男性和老人 ,但它也是妇女和壮年人的主要杀手。每年全部心血管疾病死亡中超过一半发生于妇女 ;该病也是美国中年人死亡的主要原因 Between different genders and all races, cardiovascular disease is the number one killer in all countries. About 960,000 Americans die of cardiovascular disease each year, accounting for more than 40% of all deaths. Cardiovascular disease is usually thought to mainly affect men and the elderly, but it is also the main killer of women and adults. More than half of all cardiovascular deaths occur every year in women; this disease is also a major cause of death in middle-aged Americans.