There are way too many chemicals in our processed foods today. One example is artificial sugar substitutes. One is aspartame. Here is a site talking about the dangers of it, I like the domain name:
Do a search on whatever artificial sweetener and you should come of with plenty of sites exposing the dangers and probably extolling its virtues. Consumers beware, be informed.
There are plenty of natural alternatives to sugar, such as stevia, honey, agave, and others. Even sugar in moderation is better than the artificial sweetener chemicals.