Lifestyle Health 'The Biggest Loser' 's Bob Harper Says He Is 'On the Mend' After He Suffered a Heart Attack 2 Weeks Ago Bob Harper is thanking fans for support after he suffered from a heart attack By Gabrielle Olya Published on February 27, 2017 08:08 PM Share Tweet Pin Email Bob Harper/Twitter. Bob Harper is on the road to recovery. The Biggest Loser host, 51, took to both his Instagram and Twitter accounts on Monday to share that he is healing after suffering a heart attack. “Well I guess you all heard what happened. Two weeks ago yesterday I had a heart attack. I am feeling better. Just taking it easy. KARL has been a great nurse. I want to thank everyone for the outpouring of messages and support. It feels good to be cared about. I’ve been home for 8 days now,” Harper wrote on Instagram. “Again, THANK YOU SO MUCH!! I’m lucky to have such good friends and family to take care of me right now.” “As you’ve heard, I had a heart attack 2 weeks ago,” Harper also tweeted. “I’m on the mend now and want to thank everyone for the outpouring of messages and support.” Along with his message of thanks, the fitness star shared a photo of himself in a hospital gown with wires connected to his chest while holding his rescue dog, Karl. Harper was working out at a New York City gym when he collapsed, according to TMZ. The site reported that a doctor exercising at the gym performed CPR before Harper was moved to a nearby hospital, where he remained unconscious for two days. He was released from the hospital after an eight-day stay. RELATED VIDEO: Biggest Loser Trainer Bob Harper Suffered a Heart Attack Harper told the site that his heart attack was due to genetics, and that his mom died from a heart attack. The trainer and author became the host of The Biggest Loser in 2015 after being a coach on the show. NBC has not announced the next season of the weight loss reality show.