There's a group here on TuDiabetes, called Twitterbetics with nearly 150 members that are folks who use Twitter. Most likely it's not all people in the community who use Twitter, but it's a start.
Also, in case you are not following it, @tudiabetes is our community Twitter page, so you can get updates from the site.
Grant given to support programs aimed at bringing together people touched by diabetes for positive change BERKELEY, CA: December 4, 2014 – Diabetes Hands Foundation (DHF) has received a grant of US$200,000 from Novo Nordisk to support programs aimed at Read on! →
At Symplur we track hashtags, keywords, user accounts, and pretty much anything else on Twitter that has to do with healthcare. We collect the data and then build countless ways to slice it up so that we’re able to better Read on! →