Irritable Bowel Syndrome (IBS) does not get much spotlight, but an estimated 15.3 million people suffer from it’s effects. In fact, you’re probably close to someone who has IBS. Today Ironwood Pharmaceuticals reached a huge milestone and received FDA approval for their drug to treat IBS-C, named Linzess.  Forbes has the latest on this story. Congratulations to the Ironwood team and Venrock’s Bryan Roberts!