How do you guide patients who seek online information about their disease to ensure it is accurate, supports their understanding, and minimizes unnecessary anxiety?  

I refer them to reputable sources and away from random online sites. I encourage them to learn more, but caution them on the fact that some sites are extremely biased and may well give them false, skewed, and/or biased information. As I am never quite sure of the disease-specific sites, I use these ...

This is a nice approach.  I tend to encourage use of university-based sites and discourage chat rooms and independent site due to concerns of bias and unfounded claims.  The dictum about opinions… everyone has one… is so important here.  We all want our patients to work ...