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OBJECTIVES To determine the prevalence and factors of Viagra use in combination with crystal methamphetamine and its association with HIV risk behavior in a probability sample of men who have sex with men (MSM). STUDY DESIGN A cross-sectional, random-digit dial telephone survey of MSM in San Francisco conducted between June 2002 and January 2003. RESULTS Of the 1976 MSM, 13.5% used Viagra a...

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The article introduces the research behind the making of Viagratool.org, the Lay Decision Support System on the World Wide Web. Viagratool.org is a ‘web knowledge instrument’ made to provide realities about a drug, available by searching, form-filling, online prescription, e-commerce and the post. Collaborative filtering, made famous by the disciples of Vannevar Bush, is used to ascertain infor...

OBJECTIVE Given the potential for Viagra (sildenafil) use to foster greater friction during sex (owing to enlarged erection size) and prolonged sex, the recreational use of this substance warrants investigation in the context of STI risk. Thus, an exploratory study was conducted to identify bivariate correlates of recreational (non-prescription) Viagra use among men who have sex with men (MSM) ...

Recent studies show that Viagra and methamphetamine use are associated with unprotected anal intercourse among men who have sex with men (MSM). In Long Beach, California, we have reported on an association between Viagra use and the use of amphetamines during sex. The current research investigated the use of both Viagra and amphetamine in men in Long Beach, California. Data on 1,839 men recruit...

E PIDEICTIC RHETORIC—THE RHETORIC OF ‘‘PRAISE AND BLAME’’— grounds itself in a culture’s mainstream values. People or things (in this study, lifestyles and products) that purport to demonstrate or embody currently favored values are praised and thus reinforced in epideictic rhetoric, and those out of favor and perceived as nonmainstream in common culture are criticized. Chaim Perelman and Lucie...

Introduction: Aqueous leave extract of Tridax procumbens (AETPL) is reported to improve erectile functions; however, the mechanism unclear. This study investigates involved in contractile activity corpus cavernosum after AETPL treatment paroxetine-induced dysfunctional adult male Wistar rats.
 Methods: A total 20 rats were categorized into four groups five and treated orally for weeks: Gro...