If you cut 50 calories a day or so by chewing gum, then make another small lifestyle change -- like switching from 2% to 1% milk or taking the stairs at work -- you can easily cut 100 calories a day.

Some gums are sugar-free and sweetened with stevia or aspartame, while others use regular sugar. Once all the ingredients are incorporated, it is shaped, cut, and packaged. Due to the synthetic ...