“老烟枪”反复出现呼吸道症状要小心陕西一位读者致电本刊:我父亲今年73岁了,是位有40多年吸烟史的“老烟枪”。他患有慢性支气管炎也有20多年了,长期服药治疗。近些日子,父亲老是感到胸闷或胸部隐痛,早晚 “Old smoking gun ” repeated respiratory symptoms to be careful Shaanxi a reader call this: my father is 73 years old, is a 40-year history of smoking “old smoking gun ”. He also has chronic bronchitis more than 20 years, long-term medication. In recent days, my father always felt chest tightness or chest pain, sooner or later