<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://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/8712a591-f1f0-4a8b-b27e-4fd8a702a5c0/67B88F9E-A90A-46EB-A3E8-BC2F97457068/" 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://www.sciencefriday.com/program/archives/200711024" href="http://www.sciencefriday.com/program/archives/200711024" style="font-size: 11px;">www.sciencefriday.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciencefriday.com/program/archives/200711024"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.sciencefriday.com/img/029DB204-8C8A-4D80-96AB-8F725AB4E37F" alt="Array.alttext" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciencefriday.com/program/archives/200711024"><P><DIV>How much do we really know about how our bodies react to the food we eat? Conventional medical wisdom says that eating foods high in cholesterol is bad for you, and has links to the development of heart disease. In a new book, "Good Calories, Bad Calories," science writer Gary Taubes suggests that perhaps the emphasis on dietary fat and cholesterol is misplaced, and other factors, such as carbohydrate consumption, should be targeted instead. </DIV> Join Ira in this segment for a conversation with Taubes about his book, and how it fits into the nutritional big picture. Teachers, find more information about using Science Friday as a classroom resource in the <A target="_blank" href="http://www.sciencefriday.com/kids/">Kids' Connection</A>. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciencefriday.com/program/archives/200711024"><DIV class="lbox"> <H2>Listen:</H2> <DIV id="player"> <BR /><A id="showlisten" href="#">more audio options</A> <DIV id="listenoptions" class="hidethis">streaming: <A href="http://www.npr.org/dmg/dmg.php?prgCode=TOTN&showDate=02-Nov-2007&segNum=4&mediaPref=RM"><IMG width="12" height="12" border="0" alt="streaming RealAudio" src="http://www.sciencefriday.com/audio/rm.gif" />RM</A> <A href="http://www.npr.org/dmg/dmg.php?prgCode=TOTN&showDate=02-Nov-2007&segNum=4&mediaPref=WM"><IMG width="12" height="12" border="0" alt="streaming Windows Media" src="http://www.sciencefriday.com/audio/wma.gif" /> WM</A> <BR />download: <A href="http://podcastdownload.npr.org/anon.npr-podcasts/podcast/510221/15996785/npr_15996785.mp3"><IMG width="12" height="12" border="0" alt="mp3 download" src="http://www.sciencefriday.com/audio/mp3.gif" /> mp3</A> <BR /><A href="http://www.npr.org/audiohelp/index.html">NPR audio help </A><BR /> <A href="http://www.sciencefriday.com/audio/scifriaudio.xml"><IMG width="36" height="14" border="0" src="http://www.sciencefriday.com/audio/xml.gif" /> podcast </A> (<A href="http://www.sciencefriday.com/audio/index.html">what's this?</A>)</DIV> </DIV> <H2>Tools:</H2> <DIV id="share"><UL><li style="margin-left:16px;padding-left: 0px;"><A href="javascript:alert('This link contains javascript. 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