为了探索城市环境与居民压力之间的关联性,美国宾夕法尼亚大学佩雷尔曼医学院急诊医学专家尤吉尼娅·C·萨沃斯博士及其同事,随机选择了费城两个街区的居民为研究对象。参试者根据要求,在指定的街区空地散步456~610米不等。一个街区的空地有绿化,而另一个街区几乎没 In an effort to explore the connection between urban environment and residents’ stress, Dr. Virginia Guillain C. Savos, an emergency medical specialist at Perelman School of Medicine, University of Pennsylvania, and his colleagues randomly selected two blocks of Philadelphia residents as Research object According to the requirements of the participants, walking in the designated area of ​​456 to 610 meters open space. One block of open space has green, while the other block is almost no