In the wake of The Biggest Loser's controversial finale last week, some critics are calling for the NBC show to alter its format, or be canceled altogether.
Rachel Frederickson revealed she'd lost a whopping 155 lbs. - including 45 in the past three months alone - to win this season, and spark controversy.
Now, experts in health, fitness and public relations are weighing in on The Biggest Loser and how it can be improved for future seasons and contestants.
Five suggestions appear below. See if you agree ...
1. Set limits on how much contestants can lose. Those who deem Rachel Frederickson too skinny argue that she was allowed to go way, way too far.
Producers "should put measures into place to ensure [excessive weight loss] doesn't happen again," says crisis public relations specialist Jesse Derris.