Dr. Mark Hamer of University College London says previous research found that smokers have a higher rate of mental illness, specifically depression.
英国伦敦大学学院的马克·哈默医生说,早先的研究发现,吸烟者患精神疾病的比率较高,特别是抑郁症。
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Last week, he completed a study into mental illness across six countries which found the rate of major depression and panic syndrome was highest among men in Britain.