Chew gum to lose weight?

The product: Contestants on the current season of NBC's "The Biggest Loser" have been taking a slightly offbeat approach to shedding pounds. In addition to sweating on treadmills and sticking to near-starvation diets, they've been chewing gobs of gum -- Wrigley's Extra sugar-free gum, to be exact.

By Chris Woolston

March 10, 2008