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Politics rather than scientific evidence is driving the debate over abstinence-only vs. comprehensive sexuality education programs. It is an approach to making policy that may satisfy the needs of some adults, but does nothing to address the crucial needs of young people. In health promotion, as in medical care, the informed practitioner usually chooses a proven effective strategy over one for which there is no indication of effectiveness. Anything else is malpractice. If policy makers were physicians, they would prescribe what the current sexuality education research indicates actually works: tested comprehensive sexuality education programs. They would not be willing to take a chance on an unproven therapy (i.e., abstinence-only sexuality education), outside of limited studies designed specifically to test the intervention’s effectiveness. The U.S. Congress recently approved one quarter billion dollars in new sexuality education funding. But the money comes with strict restrictions on program content. The mandated “abstinence-only” approach dictated by Congress has not been proven effective in scientific studies, runs counter to the sexuality education approaches of most states, and is based on assumptions inconsistent with the behavior of the majority of the youth in this country. The costs of unprotected adolescent sex are clear. American teens have the highest rates of unplanned pregnancies and sexually transmitted diseases in the industrialized world. One in four sexually active adolescents acquires a sexually transmitted disease (STD) in any given year. This adds up to three million adolescent STD cases annually. Every 30 minutes another person under 20 becomes newly infected with HIV. Nearly one in ten high school seniors reports becoming pregnant or getting someone else pregnant. About 406,000 teens have abortions annually, 134,000 miscarry, and 313,000 unmarried teens give birth to a child. In order to address these problems more effectively, it is not necessary to settle any of the political debates that whirl around the issue of sexuality education. What is needed is a commitment to results. Elected officials, teachers, school boards and parents need to choose: is the function of sexuality education in public schools primarily to prevent disease and unplanned pregnancy or to promote traditional ideology? We need to use the information currently available to set responsible sexuality education policy focused on improved outcomes for youth. Quality research on program effectiveness, along with a close analysis of the needs of young people at especially high risk, provides important guidance. Comprehensive sexuality education programs discourage teens from having sex before they are ready, and encourage condom and contraceptive use for teens who choose to have sex. The substantial body of current behavioral research indicates that some of these programs have been effective at delaying the onset of sexual intercourse, decreasing the number of sexual partners, and increasing condom and contraceptive use among young people. To date, no published, peer reviewed research has been able to demonstrate positive outcomes for abstinence-only sexuality education programs like those recently funded by Congress. It makes scientific sense that the more comprehensive programs would demonstrate promising results. Even the most effective behavioral interventions succeed with only a portion of their intended audience. And given that two thirds of high school seniors report having had intercourse, it is fanciful to expect that abstinence-only programs will be able to bring an absolute end to adolescent sexual activity. Given that a large percentage of young people are destined to be sexually active, it follows that they will need to know how to protect themselves in sexual situations, and have access to condoms and other contraceptives. Abstinence-only programs fail to deliver these protections. They ignore the complexity of risk factors relating to youth STD and pregnancy rates. And abstinence-only programs are typically silent or condemning on subjects that are critical to many of the young people at highest risk, including gay sex, dynamics with older sexual partners, and abortion.

This monograph was produced as part of the Marketing HIV Prevention project, a collaborative project between the Center for AIDS Prevention Studies at the University of California, San Francisco (Thomas J. Coates, , Director) and the Harvard AIDS Institute (Richard Marlink, MD, Executive Director). We would like to thank SmithKline Beecham Consumer Health Care, makers of OraSure, for its unrestricted grant in support of the Marketing HIV Prevention project. We would also like to acknowledge the support of the Office of AIDS, National Institute of Mental Health, National Institutes of Health, for its ongoing support of the Center for AIDS Prevention Studies under grant number MH42459. The author would like to thank Thomas Coates and Mario Cooper for their significant contributions to this report. I am also indebted to several colleagues who reviewed earlier drafts of the paper, including: Paula Brewer, James Colgrove, Peggy Dolcini, Kevin Filocamo, Katherine Haynes-Sanstad, Lisa Heft, Susan Kegeles, Clark Moore, Ric Marlink, Maureen Michaels, James Riggs, Mark Steitz, Jeff Stryker, and Steve Wakefield. And thanks to Susan Lausten for the design and layout of this piece.

By the time Kevin Shancady walked into the Denver Department of Public Health to enroll in an HIV vaccine trial, he'd managed to put most of his fears behind him: fears of a government hostile to gay men, fears that researchers might inject volunteers with a dangerous vaccine. "So many people have died," he said, "and I feel an obligation to advance prevention research. I'm willing to take some risk. And if the vaccine works, then I'll have protection." It's that mix of optimism, altruism and hope for personal benefit that has made it possible for the National Institute of Allergy and Infectious Diseases (NIAID) to recruit over 4800 Americans into a cohort being readied for HIV vaccine trials. But what Kevin heard when he sat down with a study counselor shows why recruiting volunteers is just the first step on the long and difficult road of HIV vaccine testing. In the best tradition of public health, the study counselor warned him of the possible risks of trial participation. "He told me participants in this trial might not be able to join other vaccine trials," Kevin said, "and if a different vaccine is eventually developed later, it might not work as well in me as in people who had not been in one of these early vaccine studies. I felt blindsided, actually."

Young injection drug users (IDU) are at high risk for viral infections, such as HIV, hepatitis C virus (HCV), and hepatitis B virus (HBV), due to frequent injecting, needle/syringe and other drug preparation equipment sharing, high numbers of sexual partners, and exchange of sex for money or drugs. Street youth who inject have high unemployment, poor education, and mental health issues. In San Francisco, young IDU are typically homeless runaways who often are involved in an illegal street economy, including prostitution, drug sales, theft, panhandling, pornography and selling stolen property. They experience a large number of negative and traumatic events prior to leaving home. Many fear and mistrust authority and consequently avoid or delay contact with the public health system. The combination of youth, drugs, survival sex and disenfranchisement make this group extremely vulnerable to multiple negative health outcomes.

Substance use among youth and young adults continues to pose a variety of public health challenges. Young people who use opiates (heroin) and methamphetamine are more likely to have high risk sexual and injection practices, as well as more likely to be HIV+. Drug use among youth may be associated with a variety of problems including family trauma, academic difficulties, mental and physical health problems, sexual abuse, incarceration, poor peer relationships and violence. Youth in Northern California who are at risk for drug use, HIV and related health problems need to be better understood and targeted for prevention programs.