中风，或者叫“卒中”，是威胁美国人生命的第三种主要疾病（仅次于心脏病和癌症），也是导致成年人残废的主要原因。虽然大部分中风的受害者是老年人，但是有近1／3的患者年龄在65岁以下，其中包括青年人甚至儿童。尽管此病会造成严重危害─—每年有50万以上的美国人受到这一 Stroke, or “stroke,” is the third major cause of life threatening Americans (after heart disease and cancer) and is the leading cause of disability in adults. Although most victims of stroke are elderly, nearly one-third of patients are under the age of 65, including young people and children. Although the disease can cause serious harm - more than 500,000 Americans receive this every year