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。
From these observations and previous studies of erv, the virus has shown it can be transmitted to humans, without resulting in illness.
对ERV的这些观察和以往的研究显示，病毒可传播给人类，而不造成疾病。
Previous studies have associated large waistlines with heart disease, inflammatory illness, insulin resistance, high blood cholesterol and type 2 diabetes.
呼吸道疾病是大腰围人群死亡的主因，其次是心血管疾病和癌症。 曾有研究表明，腰围过大与心脏病、各种炎症、胰岛素抗拒、血胆固醇超标以及二型糖尿病都有关系。
A 2007 national survey actually shows that insurance companies discriminated against more than 12 million Americans in the previous three years because they had a pre-existing illness or condition.
2007年的一份国家调查显示：在过去三年里，保险公司歧视了超过1200万美国人，原因是这些人都有着既往病史。
Previous research has demonstrated that IQ as a marker of cognitive reserve is inversely related to risk for total psychiatric illness.
以往的研究已经证明，智商作为认知储备的一种标志，是和总的精神疾病的发病呈负相关的。
For SF of QOL, monthly family income, system of working hours, frequency of leisure entertainment, social objective support and illness during previous two weeks were the significant factors.
社会功能(SF)得分影响因素有：家庭月收入、工作时间制度、休闲娱乐机会、社会客观支持和两周内是否生病。
Although people with HCM usually display mild symptoms or are completely asymptomatic, up to 1% of affected people succumb to sudden cardiac death (SCD), often with no previous signs of illness.
尽管HCM患者通常仅有轻微症状或完全无症状，但1 %的受累患者发生心脏性猝死(SCD)，而此前往往却没有患病迹象。
Although people with HCM usually display mild symptoms or are completely asymptomatic, up to 1% of affected people succumb to sudden cardiac death (SCD), often with no previous signs of illness.
尽管HCM患者通常仅有轻微症状或完全无症状，但1 %的受累患者发生心脏性猝死(SCD)，而此前往往却没有患病迹象。
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