( nequality Tuljapurkar said is the lac...)World faces challenge as life expectancies lengthen, scientist says

nequality, Tuljapurkar said, is the lack of availability of AIDS antiretrovirals in Africa. Although these medications are widely available in the West, they are out of reach for many African patients, who make up more than 60 percent the world's AIDS cases. "If we can't deal with AIDS in Africa, the chance that we'll be able to deliver these anti-aging technologies to other nations is pretty slim," he said.

In the final analysis, Tuljapurkar stressed the need for scientists and policymakers alike to confront the full environmental and sociological implications of anti-aging technologies, with an awareness of the potential costs and challenges in addition to the benefits.

"What we've tended to do historically with medical advances is to take the reasonable position that we should implement everything that comes along," Tuljapurkar said. "However, we are now approaching a stage where it's necessary to look the implications before we rush in--at least so we can prepare ourselves. We need to confront the prospect of inequality head-on, instead of waiting 10 years and then saying, 'What a surprise!'"
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Source:Stanford University

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