研究生科技英语阅读课文翻译对照(14)

“国际儿童哮喘及过敏研究”(International Study of Asthma and Allergies in Childhood)是一项全球性的调查，其数据显示，1998年在发达国家中，只有约20%的孩子患有哮喘、过敏和疹子等过敏性疾病。纽约西奈山医学院(Mount Sinai School of Medicine)的一个报告称，从1997年到2008年，美国的花生过敏症发病率增长了两倍。
But such diseases are still relatively rare in Africa and rural Asia, as are Type 1 diabetes and multiple sclerosis.
然而，上述疾病在非洲和亚洲农村地区依然相对罕见，1型糖尿病和多发性硬化也是如此。
"The geographical distribution of allergic and autoimmune diseases is a mirror image of the geographical distribution of various infections diseases," says a report by French researchers in a March issue of the journal Clinical & Experimental Immunology devoted to the hygiene hypothesis.
“过敏症和自身免疫性疾病的地域分布与各类感染性疾病的地域分布恰恰相反。”2010年一位法国研究人员在今年3月《临床与实验免疫学杂志》(Clinical & Experimental Immunology)上发表的一篇文章中说道。该杂志专门研究“卫生假说”理论。
Exposure to immune-stimulating germs may also lower the risk of heart disease, according to Dr. McDade. In a study of 1,700 Filipinos followed from birth to age 21 published this year in the journal Proceedings of the Royal Society, those who grew up around chicken, pigs and dogs and had bouts of diarrhea in childhood had lower rates of C-reactive protein, an inflammation marker that has been linked to cardiovascular disease, as young adults.