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Does Jillian Michaels Want to Leave "The Biggest Loser"?

Andrew Southam/NBC/NBCU Photo Bank(LOS ANGELES) -- Jillian Michaels' future as a trainer with the NBC weight-loss competition The Biggest Loser may be a big question mark right now.

People magazine is reporting that Michaels wants to leave the show, citing a source who claims, "She is turned off by the mean-spirited story lines and poor care of the contestants."

Specifically, Michaels reportedly was concerned by the weight loss of recent winner Rachel Frederickson, who some fans thought dropped a dangerous number of pounds. She was 105 pounds at the time of the 15th-season finale in February, though she recently told Us Weekly she's since gained 20 pounds.

People's source says, "Especially considering what happened with Rachel, [Michaels'] feeling is that there isn't proper attention paid to the contestants' health or wellness."

Michaels previously left The Biggest Loser after its 11th season, only to return for season 14.

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