http://clipmarks.com/clipper/BobbyRutan/date/2008/5/1/http://rss.clipmarks.com/clipper/BobbyRutan/date/2008/5/1/15Clip, tag and save information that's important to you. Bookmarks save entire pages...Clipmarks save the specific content that matters to you!en-ushttp://clipmarks.com/clipmark/FB1EE49F-1A31-40B5-AE7A-37F5C33A6B25/<b>clipped by:</b> <a href="http://clipmarks.com/clipper/BobbyRutan/">BobbyRutan</a><br><b>clipper's remarks:</b> More: While no association between marijuana smoking and cancer was found, the study findings, presented to the American Thoracic Society International Conference this week, did find a 20-fold increase in lung cancer among people who smoked two or more packs of cigarettes a day. <br><div border="2" style="margin-top: 10px; border:#000000 1px solid;" width="90%"><div style="background-color:"><div align="center" width="100%" style="padding:4px;margin-bottom:4px;background-color:#666666;overflow:hidden;"><span style="color:#FFFFFF;font-weight:bold;">Clip Source: <a style="color:#FFFFFF;" href="http://www.washingtonpost.com/wp-dyn/content/article/2006/05/25/AR2006052501729.html?nav=hcmodule" title="http://www.washingtonpost.com/wp-dyn/content/article/2006/05/25/AR2006052501729.html?nav=hcmodule">www.washingtonpost.com</a></span></div><div style="padding: 10px;"><div style="text-align:left;">The largest study of its kind has unexpectedly concluded that smoking marijuana, even regularly and heavily, does not lead to lung cancer.</div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;">The new findings "were against our expectations," said Donald Tashkin of the University of California at Los Angeles, a pulmonologist who has studied marijuana for 30 years.</div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;">We hypothesized that there would be a positive association between marijuana use and lung cancer</div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;">What we found instead was no association at all, and even a suggestion of some protective effect."</div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;">Federal health and drug enforcement officials have widely used Tashkin's previous work on marijuana to make the case that the drug is dangerous.</div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;">marijuana also contains the chemical THC, which he said may kill aging cells and keep them from becoming cancerous.</div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;">Tashkin's study</div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;">involved 1,200 people in Los Angeles who had lung, neck or head cancer and an additional 1,040 people without cancer matched by age, sex and neighborhood</div></div><hr size="2" color="#666666" /><div style="padding: 10px;"><div style="text-align:left;">This is the largest case-control study ever done</div></div></div></div><br><div style="margin-bottom: 40px;">Tags: <a href="http://clipmarks.com/tags/cancer/" rel="tag">cancer</a>, <a href="http://clipmarks.com/tags/marijuana/" rel="tag">marijuana</a></div>http://www.washingtonpost.com/wp-dyn/content/article/2006/05/25/AR2006052501729.html?nav=hcmoduleFri, 02 May 2008 02:01:00 GMT