Joining Dr. Michelle Robin on Small Changes Big Shifts is author, speaker and host Dr. James L. Marcum a board-certified cardiologist practicing with the Chattanooga Heart Institute, and named by USA Today as one of the most influential physicians in his field. Dr. Marcum is the author of The Ultimate Prescription and Medicines That Kill, He is also as an in-demand speaker for his role as the director of Heartwise Ministries. Also on the show is Dr. Andi…
