A new medical blog named simply "Evidence" has appeared recently and it is definitely worth reading. The author identifies himself as an academic primary care physician named David Rind.
The following quote was worth the price of admission to the author's latest commentary:
There is no path from evidence to understanding that does not rely on expert interpretation, and, ultimately, no mechanical measure of sufficient evidence or proof outside of what counts as proof to those patients and providers who must make decisions.
Addendum: I neglected to give a link.Here it is.