在日常临床工作中或健康检查时,有不少白血球增多的病例,这些人无任何自觉症状,客观检查也无任何异常所见。我们对于这种无症状性白血球增多的原因进行了分析,发现与吸烟有关。对象与方法白血球增多者(白血球总数10,000/mm~3 以上)359人,另外与这部分人在其他方面无差别的吸烟者193人,不吸烟者179人,共731人做为研究对象。全部研究对象均为健康男 In daily clinical work or health examination, there are many cases of leukocytosis, these people without any symptoms, objective examination without any abnormal findings. We analyzed the causes of this asymptomatic leukocytosis and found it to be related to smoking. Subjects and Methods Leukocytosis (white blood cells total 10,000 / mm ~ 3 or more) 359 people, in addition to this part of the other no difference in 193 smokers, non-smokers 179, a total of 731 people as the study. All subjects were healthy men