On "The Biggest Loser," contestants shed blood, sweat and tears, but most importantly, they shed pounds - quickly.

Contestants spend four to six hours a day doing cardio and lose an average of 25 percent of their body weight in 22 weeks. But do they keep it off? And is quicker better?

The Los Angeles Times tackles those questions and many others about the show in an article about the show and its approach.

Check out the story and see what you think.

-- Amanda Barrett, amNY.com