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美国医学家在２０世纪７０年代末期就曾报告，机场周围居民畸形儿的出生率高于其他地区。由此，医学科学家们开始了噪声对优生影响的研究。研究表明，噪声能刺激母体丘脑下部—垂体前叶—卵巢轴系统，使母体内激素发生逆向改变，从而影响受精卵的正常发育。而日本科学家安藤在
American medical scientists reported in the late 1970s that the birth rate of deformed children around the airport was higher than that of other regions. As a result, medical scientists began the study of the effects of noise on prenatal health. Studies have shown that noise can stimulate the lower part of the hypothalamus - the anterior pituitary - ovarian axis of the maternal body to reverse the hormones in the maternal body and thus affect the normal development of the fertilized egg. Ando, a Japanese scientist