Complex sentence: In 2004, Wrigley replaced part of the sugar content in most of their gum brands with aspartame, the change remains controversial with consumers who dislike the aftertaste of aspartame, and numerous health risks believed to be associated with aspastame.
Split into simpler sentences: In 2004, Wrigley replaced part of the sugar content in most of their gum brands with aspartame. The change remains controversial with consumers who dislike the aftertaste of aspartame, and the numerous health risks believed to be associated with aspastame.