http://us.rd.yahoo.com/health/news/rss/search/*http://health.yahoo.com/news/ Y! Health Anxiety News, updated continuously. en-us Thu, 26 Nov 2009 16:03:13 PST Copyright (c) 2009 Yahoo! Inc. All rights reserved. 5 142 18 http://health.yahoo.com/ http://us.i1.yimg.com/us.yimg.com/i/us/he/b/he_144.gif http://us.rd.yahoo.com/health/news/rss/search/*http://health.yahoo.com/news/reuters/us_heart_merck_zetia.htmlyahoo/health/news/reuters/us_heart_merck_zetiaMon, 16 Nov 2009 12:14:10 PSTReuters - The good news for Merck & Co's Zetia cholesterol fighter is that doctors do not seem unduly concerned about its latest setback in a clinical trial. The bad news is they think patient anxiety will cause its sales to drop anyway.