Hi Russell: Here is a link to a couple of YouTube talks on understanding scientific pap= ers and the process of learning from clinical=20 trials: http://www.prc68.com/I/DietNutrition.html#Science Once you understand the process it's fair to say that most scientific paper= s are wrong. That's not to say that we=20 should stop the process. See: PLOS: Why Most Published Research Findings Are False - "It=20 can be proven that most claimed research findings are false". --=20 Have Fun, Brooke Clarke http://www.PRC68.com --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .