研究已表明,在猫咬伤和人类抑郁之间可能存在着某种关联,其原因目前尚不清楚。密歇根大学医学院(University of Michigan Medical School)副教授大卫・A.哈诺尔(David A. Hanauer)分析了由该校医疗卫生系统收治的约130万病患的电子健康记录,结果发现因为猫咬伤而就诊的病人中有41%的人也被诊断为患有某种程度上的抑郁症。哈诺尔博士说:“这其中绝对存在著有某种关联。”但他也称,“我们不知道原因”,而且这种关联并不一定就意味着因果关系。这项研究的论文于去年8月份发表在《公共科学图书馆综合卷》(PLOS ONE)上。
Cats also pick up parasites from the environment and can pass those along to people. Around 10% to 20% of people in the U.S. are infected with Toxoplasma gondii, a parasite cats can get from eating infected animals, such as rodents and birds, and then shed in their feces. It typically has little impact on healthy people. But it poses a danger to the fetuses of pregnant women, which can get a syndrome whose symptoms include blindness and mental disability, and to people with weakened immune systems, who may suffer central nervous system damage.
猫还会从外界中带来一些寄生虫并将其传染给人类。在美国,大约有10%到20%的人都感染了刚地弓形虫。如果猫进食了遭受感染的动物――如啮齿动物与鸟,猫就会染上这种寄生虫,然后通过粪便排出。对健康的人群而言,这一般没什么影响。但它却会对孕妇肚子里的胎儿以及那些免疫系统功能低下的人群构成危险,前者会患上一种综合症,其症状包括失明与智障,而后者的中枢神经系统则可能会遭受损伤。
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