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	<title>News Vulture &#187; Science</title>
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	<description>Focusing on Corruption in India. Bringing out the profiles most crooked in India.</description>
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		<title>Allergies Abound Due to Freedom From Lice</title>
		<link>http://www.newsvulture.com/2009/04/27/allergies-abound-due-to-freedom-from-lice/</link>
		<comments>http://www.newsvulture.com/2009/04/27/allergies-abound-due-to-freedom-from-lice/#comments</comments>
		<pubDate>Mon, 27 Apr 2009 13:10:09 +0000</pubDate>
		<dc:creator>Sunbird</dc:creator>
				<category><![CDATA[Health]]></category>
		<category><![CDATA[Allergies]]></category>
		<category><![CDATA[disorder]]></category>
		<category><![CDATA[hygiene]]></category>
		<category><![CDATA[immune system]]></category>
		<category><![CDATA[infection]]></category>
		<category><![CDATA[lice]]></category>
		<category><![CDATA[louse]]></category>
		<category><![CDATA[mice]]></category>
		<category><![CDATA[research]]></category>
		<category><![CDATA[Science]]></category>
		<category><![CDATA[worm]]></category>

		<guid isPermaLink="false">http://www.newsvulture.com/?p=449</guid>
		<description><![CDATA[A University of Nottingham study is holding freedom from louse infestation responsible for increased allergic reactions. The finding means that the epidemic of allergic disorders in modern, urban people might be due to our having rid ourselves of lice and worms. As per &#8220;hygiene hypothesis&#8221; humans&#8217; immune systems evolved to compensate for continual infections with parasitic gut worms, which secrete chemicals that reduce our immune responses. People who are now worm-free have overreactive immune systems, which can lead to asthma and autoimmune disorders. In the study conducted on wild wood mice, Janette Bradley and her colleagues have found that body louse reduced the readiness of the innate system to mount an immune response. During the study, the authors conducted post-mortem on the captured mice, assessing their weight, parasite load, and the responsiveness of their spleen cells to substances such as heat-killed listeria and bacteria, which bind receptors of the innate immune system and provoke a measurable reaction. They found that those mice uninfected with the louse Polyplax serrata showed markedly increased responses to these triggers of innate immune responses, compared to highly-infected animals. This suggests that the parasite is able to exert some kind of immunosuppressive effect, possibly directly by [...]]]></description>
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		<title>Study Finds Pattern of Severe Droughts in Africa</title>
		<link>http://www.newsvulture.com/2009/04/17/study-finds-pattern-of-severe-droughts-in-africa/</link>
		<comments>http://www.newsvulture.com/2009/04/17/study-finds-pattern-of-severe-droughts-in-africa/#comments</comments>
		<pubDate>Fri, 17 Apr 2009 12:20:35 +0000</pubDate>
		<dc:creator>Sunbird</dc:creator>
				<category><![CDATA[Science]]></category>
		<category><![CDATA[Africa]]></category>
		<category><![CDATA[climate research]]></category>
		<category><![CDATA[drought]]></category>
		<category><![CDATA[Sahara]]></category>
		<category><![CDATA[West Africa]]></category>

		<guid isPermaLink="false">http://www.newsvulture.com/?p=424</guid>
		<description><![CDATA[For at least 3,000 years, a drumbeat of potent droughts, far longer and more severe than any experienced recently, have seared a belt of sub-Saharan Africa that is now home to tens of millions of the world’s poorest people, climate researchers report in a new study. The last such drought, persisting more than three centuries, ended around 1750, the research team writes in the April 17 issue of the journal Science. The scientists warned that more such mega-droughts are inevitable, although there is no way to predict when the next one could unfold. That sobering prediction emerged from the first study of year-by-year climate conditions in the region over the millenniums, based on layered mud and dead trees in a crater lake in Ghana. Although the evidence was drawn from a single water body, Lake Bosumtwi, the researchers said there was evidence that the drought patterns etched in the lake bed extended across a broad swath of West Africa.]]></description>
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