A new study of medical blogs is available from the Journal of General Internal Medicine

BACKGROUND: Medical weblogs (“blogs”) have emerged
as a new connection between health professionals and
the public.
OBJECTIVE: To examine the scope and content of
medical blogs and approximate how often blog authors
commented about patients, violated patient privacy, or
displayed a lack of professionalism.
DESIGN: We defined medical blogs as those that contain
some medical content and were apparently written by
physicians or nurses…
RESULTS: [...]

From the LA Times: Medical blogs for doctors and patients alike

Here’s a roundup of some of the best-known medblogs. Go to the sites, however, and these doctors might introduce you to even more.
By Melissa Healy, Los Angeles Times Staff Writer
August 4, 2008
The world of medical blogs is crowded, colorful and as diverse as the nation’s population of doctors and nurses. Following are a few of [...]