How has blogging helped your patients?

As I struggled to imagine an answer to this question, I had to consider doctoring then and now.  This answer is all opinion, as I could not do a randomized trial of blogging versus not blogging.

I guess blogging has helped, because I believe blogging has made me more thoughtful.  I probably read a bit more, because I am looking for blogging subjects.

But this is really a weak answer.  I can think of many reasons to justify blogging, but helping my patients is really not one.