Corn is a common crop grown all over the world. It is used for food, ethanol, and livestock feed. Corn is a major source of dietary sugar and is often associated with food poisoning. Bad corn crops can contain toxins that can cause food poisoning. The toxins can be present in the kernels, the husks, or the stalks. It is important to be aware of the toxins that can be found in corn and to take precautions if you eat it. Eating bad corn can lead to nausea, vomiting, diarrhea, and abdominal cramps.