where the writers are
Mammograms, PSA, Lipids, and Hep A

My friend Budd Shenkin, a public health oriented pediatrician, whose opinions on domestic politics, the Middle East, and Philadelphia basketball I rely on nearly as often as he thinks I should, has blogged an extremely interesting view on statistical surveys and national guidelines in the medical field, expressing an opinion I hadn't seen before, and one that I think is well worth considering.  You can read it here:

http://buddshenkin.blogspot.com/