五年前,我就认识一位老人,他当时就五十多岁,手脚勤快,性格开朗,唯一遗憾的就是身体不太好,他有近二十年的慢性支气管炎(即“慢支”)史。每到秋末冬初,伴随着冷空气入侵,他就三天两头感冒,咳嗽、咳痰、喘息,都是家常便饭,有时甚至出现心慌、胸闷的症状。老人服用了许多药物,症 Five years ago, I met an elderly man. At the time he was in his fifties, his hands and feet were diligent and cheerful. The only regret was that he was not in good health. He has chronic bronchitis (“chronic bronchitis” )history. Every late autumn and winter, with the cold air invaded, he caught cold, cough, sputum and wheeze on both sides of the day for a long time, and even symptoms of palpitation and chest distress sometimes occurred. The elderly take many drugs, disease