Abstract
This paper examined changes in human immunodeficiency virus (HIV)–related risk behaviors among high school students in the United States during 1991‐2005. Data from 8 national Youth Risk Behavior Surveys conducted during that period were analyzed. During 1991‐2005, the percentage of US high school students engaging in HIV‐related sexual risk behaviors significantly decreased. (J Sch Health. 2006;76(10):521‐524)

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