keywords: celebrex pfizer painkiller drug drugs
text: Pfizer finds heart attack risk with Celebrex, plans to continue to &lt;b&gt;...&lt;/b&gt; Celebrex, the nation #39;s leading painkiller, raises the risk of heart attack when taken at very high doses, the drug #39;s maker said Friday in the latest blow to a class of powerful and widely touted drugs.