“After I had my heart attack, she’s the one person I never heard from. So, I mean, that to me spoke volumes.”

“The Biggest Loser” season 15 champion Rachel Frederickson shocked viewers by losing 155 pounds on the reality show.

One of the shocking stories has included a contestant revealing that the physical training she underwent on her first day filming led to her waking up in the hospital and realizing “I knew I died that...