Sorry. If it's from "official sources" you probably can't trust it

"It is simply no longer possible to believe much of the clinical research that is published, or to rely on the judgment of trusted physicians or authoritative medical guidelines. I take no pleasure in this conclusion, which I reached slowly and reluctantly over my two decades as an editor of The New England Journal of Medicine."

~Marcia Angell MD, a well-known, respected physician, long-time editor of NEJM.
http://e-patients.net/archives/2009/10/a-quote-i-wont-soon-forget.html