Frankly, there is a frightening coincidence glaring at us, right before our eyes. Obesity has become pandemic in the past 30 years, paralleling the use of genetic engineering, and increased pesticide use. More than 60% of Americans are overweight, and obesity has doubled in the past 20 years globally. Our intestines may be colonized with new microbes, making us very sick. Something is seriously wrong here and has not been seen before.