CAMBRIDGE, Mass.--(BUSINESS WIRE)--Biogen Idec Inc. (NASDAQ:BIIB) announced today that its presentation and subsequent breakout session at the Cowen & Company 29th Annual Healthcare Conference will be webcast live via the internet, on Tuesday, March 17th at 9:30 a.m. ET. To access the live webcast, please visit Biogen Idec’s Investor Relations section (investor.biogenidec.com).