The Biggest Loser Bob Harper suffers heart attack at gym, left unconscious for two days 02/27/2017 Bob Harper is building up his strength again following a very serious and sudden health scare. Read More RELATED NEWS 'The Biggest Loser' alum Bob Harper engaged to Anton Gutierrez'The Biggest Loser' being revived and "re-imagined" by USA NetworkBob Harper on surviving "6% survival" heart attack: "Not to be dramatic, but I was dead" TAGS: The Biggest Loser The New Celebrity Apprentice Bob Harper Alison Sweeney Lucky