Top 35 Social Media niche sites: where are the health brand conversations?

This list of 35 social media niche sites assembled by Doug Firebaugh at SocialMediaBlogster.com is broken down into 8 different categories. Sorry to see no representation across the health continuum, as social media provides the opportunity to do so much physical, emotional and spiritual good for people. On a related note, Dell has opened up its new Ideastorm site for Healthcare and Life Sciences.