<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/f1176a4f-d49e-4575-bb3f-e4ef0210edde/34EEB251-73C6-45D2-99E1-810CEBF63005/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://psychcentral.com/news/2008/06/10/why-mental-lethargy-when-sick/2434.html" href="http://psychcentral.com/news/2008/06/10/why-mental-lethargy-when-sick/2434.html" style="font-size: 11px;">psychcentral.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://psychcentral.com/news/2008/06/10/why-mental-lethargy-when-sick/2434.html"><H1 id="post-2434"><A title="Permanent Link: Why Mental Lethargy When Sick" rel="bookmark" href="http://psychcentral.com/news/2008/06/10/why-mental-lethargy-when-sick/2434.html">Why Mental Lethargy When Sick</A></H1></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content8.clipmarks.com/images/clip-icon.gif" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://psychcentral.com/news/2008/06/10/why-mental-lethargy-when-sick/2434.html" href="http://psychcentral.com/news/2008/06/10/why-mental-lethargy-when-sick/2434.html" style="font-size: 11px;">psychcentral.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://psychcentral.com/news/2008/06/10/why-mental-lethargy-when-sick/2434.html"><IMG alt="brain" src="http://psychcentral.com/news/u/2008/06/whymentallethargywhensick.jpg" id="newsimg" />A recent study examines why it is hard to concentrate when you feel sick. This problem very likely reflects the effects of substances that are released by immune cells in the brain. <P>The research, published in <EM>Biological Psychiatry, </EM>describes how the immune cells, called inflammatory cytokines, help your body cope with infection. </p> <P>During an infection, humans typically experience a set of physiological and psychological symptoms, including fever, confusion, decreased motivation, depression and anxiety that are accompanied by a slowing of movements.</p> <P>These changes, collectively known as “sickness behavior,” are the body’s way of conserving energy during illness so that an effective immune response can be launched. This new study helps researchers further understand how cytokines communicate between the immune system and the brain to promote sickness behavior.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/34EEB251-73C6-45D2-99E1-810CEBF63005/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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