吸烟可引起多种脏器系统并发症,例如肺癌、慢性阻塞性肺疾病、心血管疾病(冠心病、高血压、主动脉瘤、动脉血栓)、卒中、消化性溃疡等。其中有些在停止吸烟后可逐渐消退。例如,吸烟者的肺癌、胰腺癌危险,在停止吸烟10～15年后即降至类似于不吸烟者;冠心病危险,男性在停止吸烟5年后、女性则在2～3年后消退。 Smoking can cause a variety of organ system complications, such as lung cancer, chronic obstructive pulmonary disease, cardiovascular disease (coronary heart disease, hypertension, aortic aneurysm, arterial thrombosis), stroke, peptic ulcer and so on. Some of them may gradually subside after stopping smoking. For example, smokers of lung cancer, pancreatic cancer risk, stop smoking 10 to 15 years later, was reduced to a similar non-smoker; risk of coronary heart disease, men stopped smoking five years later, women in 2 to 3 years later subsided.