作者在美国明尼苏达大学青少年卫生培训班学习期间,收集了美国青少年卫生的有关资料和进行了一些调查研究,现将这方面情况简要介绍如下,供国内儿少卫生专业及有关人员参考。 1 青少年人口的变化情况由于50年代和60年代美国人口的高出生率,1974年12～17岁的青少年人数上升到2500万。随着青少年人数的增加,青少年的健康问题也引起了人们的重视。 During the study period of the youth health training program at the University of Minnesota in the United States, the author collected relevant information on the health of adolescents in the United States and conducted some investigations and researches. The present situation is briefly introduced as follows for the reference of domestic children’s health professionals and relevant personnel. 1 Changes in the Adolescent Population Due to the high birth rate of the U.S. population in the 1950s and 1960s, the number of adolescents aged 12 to 17 in 1974 rose to 25 million. With the increasing number of adolescents, the health problems of adolescents have also drawn people’s attention.