Surprising AIDS-treatment benefits, prevention strategy in epidemic regions of Africa
Dec 1, 2010 - 5:00:00 AM
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This Lazarus effect, whereby those who had expected a swift decline and death are granted a new lease on life by treatment, suggests that without effective anti-retroviral treatment, the epidemic may be having pervasive negative effects on people's willingness to think long-term and to invest for the future, Graff-Zivin said. This study shows that effective treatment yields significant economic dividends such as improved capital investment. Based on our latest field research we also think anti-retroviral therapy enhances environmental stewardship and a host of other positive effects as households switch from a sense of hopelessness to planning for their long-term futures.
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By University of California - San Diego,
[RxPG] Two teams of researchers at UC San Diego and other U.S. and African universities and the World Bank have documented significant spillover benefits of a drug therapy to combat AIDS symptoms and a novel prevention strategy that focuses on girls in Sub-Saharan Africa, an area with two-thirds of the world's HIV infections.
A recently published paper in Public Economics documents a dramatic Lazarus effect in AIDS-affected households in rural Kenya when infirmed members received anti-retroviral therapy (ART). The study found that not only did the health of those treated improve, but the households also began to accumulate livestock and other assets and they increased their investments in the education of their children.
Most successful AIDS relief initiatives have been lopsided in their focus on anti-retroviral therapy, but behavioral dimensions of the epidemic are equally significant, said Joshua Graff-Zivin, co-author of the study and associate professor of economics at UC San Diego's School of International Relations and Pacific Studies (IR/PS). Anti-retroviral therapy may be achieving much more far-reaching impacts than just the medical benefits, and anti-retroviral therapy may help the continent escape a much broader set of behavioral poverty traps that would otherwise arise from stratospheric HIV-prevalence rates.
The study was supported by a partnership of the U.S. Agency for International Development. Graff-Zivin worked with Harsha Thirumurthy, assistant professor of health economics at the University of North Carolina, and Markus Goldstein, a senior economist at the World Bank. The team showed that when affected members of rural Kenyan households received the drug therapy, a range of household investment indicators suddenly improved. In addition, children's nutritional status went up and their school attendance increased more than 20 percent within six months after treatment was initiated for the adult patient.
This Lazarus effect, whereby those who had expected a swift decline and death are granted a new lease on life by treatment, suggests that without effective anti-retroviral treatment, the epidemic may be having pervasive negative effects on people's willingness to think long-term and to invest for the future, Graff-Zivin said. This study shows that effective treatment yields significant economic dividends such as improved capital investment. Based on our latest field research we also think anti-retroviral therapy enhances environmental stewardship and a host of other positive effects as households switch from a sense of hopelessness to planning for their long-term futures.
In a separate study conducted in the southern African nation of Malawi and recently published in
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