Article snippet: Sanders’ Senior Advisor Jeff Weaver said in an emailed statement that Sanders, 78, “experienced some chest discomfort” during a campaign event on Tuesday. A medical evaluation determined that he had a blockage in an artery, and two stents were “successfully inserted.” Weaver said Sanders conversing and “in good spirits.” However, they are canceling all of his campaign activities until further notice. The statement reads: According to the doctor’s note Sanders released in 2016, Sanders has no history of heart disease. Link to the full article to read more