Well it could mean that you will walk new ground. However, it may mean that you have a bacteria on your foot or a rash. If it does not stop I would check it out. :) From your excellent description this does sound like some form of eczema or dermatitis (they both mean the same thing, 'inflamed skin').
GMOs in Food. Here is a summary of crops, foods and food ingredients have been genetically modified as of May, 2010: Currently Commercialized GM Crops in the U.S.: (Number in parentheses represents the estimated percentage that is genetically modified.). Currently commercialized GM crops in the U.S. include soy (94%), cotton (90%), canola (90%), sugar beets (95%), corn (88%), Hawaiian papaya (more than 50%), zucchini and yellow squash (over 24,000 acres). Other Sources of GMOs:
Organisms that have been genetically modified include micro-organisms such as bacteria and yeast, insects, plants, fish, and mammals. How common are they in food? GMOs are widely used in food, especially in processed foods because staple crops such as soy beans and corn are nearly all modified.