Corn is used in so very many ways, that it has become a food that many are allergic or sensitive to. It is also one of the foods that is more likely than others to contain genetically modified organisms (GMO's).
Genetically modified corn, in layman's terms, is modified by adding organisms into it that will resist particular weed killers. Then when those weed killers are used in farming, the corn lives and the weeds die...Monsanto is very involved in promoting this approach to farming. The GMO problem does not just exist with corn, but that is our focus in this post.
You can read more about it and get a free list of foods that contain GMO's at this link. This is why I do my best to buy organic corn or local where I can question the farmer. The price is a little more when you buy organic, but it's worth it.