Leaders in Muslim countries who have denied AIDS must acknowledge the threat or risk losing their community of believers to a global plague.

New data may signal the start of a trend towards less sex and more contraceptive use among teenagers.

Evaluations of school-based programs designed to reduce sexual risk-taking behavior, including sex and HIV education programs, school-based health centers, and school condom-availability programs.

Poor nationsshould reject theanti-intellectual property and anti-pharmaceutical company stance that, in a resource-poor setting, is unlikely to be helpful ineither the shortor long terms.

At least until the last few years, the proportion of teenagers who have had sex rose steadily, and they are more likely to use contraceptives than their earlier counterparts.

Although the need to understand the efficacy of various sex education and abstinence programs has never been greater, evaluation data available are limited.

In order to demonstrate success, pregnancy prevention programs must show that their participants have changed their behavior.

Sally Satel's Bradley Lecture.