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Gillian Stoltman Abstract Despite increasing evidence of the heterosexual transmission of the human immunodeficiency virus HIV among young adults, research with college students has been primarily restricted to descriptions of the levels of risky behavior and the correlates of that behavior. To date, few experimentally validated HIV prevention programs have been reported. Furthermore, the existing experimental investigations have seldom based an intervention on a thorough analysis of the barriers to the practice of safer sex. Experiment One surveyed heterosexual college students to assess HIV risk factors, including sexual behavior, risk perception, knowledge and 10 barriers to the consistent practice of "safer" sex. The results of Experiment One showed that heterosexual college students reported high levels of sexual intercourse, thus placing them at risk for the sexual transmission of HIV.Free Instruction Sex Videos! Watch the largest tube collection of Instruction videos on the web. Homemade Jerk Instruction sex movies. Real Xxx tube clips. For some girls being taught and educated about fucking needs instructions on Julia Sex Movies Learning, Lesson, Instructor, Teacher Porn Tube Videos best p1...the end of the story look at the video above ↑ ↑ ↑