A study in Health Economics uncovered an unintended consequence of a major medical breakthrough: while the availability of HIV treatments in the late 1990s dramatically improved survival, they also contributed to a resurgence in syphilis, a sexually transmitted infection.<\/p>\n
Through statistical analyses of information from the Centers for Disease Control, as well as pharmaceutical industry sales data, investigators found that US states with higher AIDS prevalence experienced significantly larger increases in syphilis after highly active antiretroviral therapy (HAART) became widely available-with these increases concentrated among men, while rates among women continued to decline-suggesting that changes in sexual behavior following the reduced perceived risk of HIV had broader public health effects.<\/p>\n
Data indicated that in the absence of HAART, there would have been 81% fewer syphilis cases between 1996 and 2008.<\/p>\n
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With syphilis now at a 60\u2010year high, these findings offer timely insight into how life\u2010saving innovations can reshape population behavior and highlight the need for complementary public\u2010health strategies.”<\/p>\n
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David Beheshti, PhD, corresponding author, University of Texas at San Antonio<\/p>\n
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