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About 86 percent of all corn crops grown in the United States are genetically modified (GM), which brings a new set of health concerns to your microwave popcorn. Interestingly, none of the popcorn is genetically engineered, however just about all the other corn is, which is a great reason to avoid it. Additionally, as a grain it will typically not promote good health for most people.
So-called "Bt corn" is equipped with a gene from the soil bacteria Bacillus thuringiensis (Bt), which produces Bt-toxin – a pesticide that breaks open the stomach of certain insects and kills them. This pesticide-producing corn entered the food supply in the late 1990's, and over the past decade, the horror stories have started piling up.
Monsanto and the US Environmental Protection Agency (EPA) swore that the toxin would only affect insects munching on the crop. The Bt-toxin, they claimed, would be completely destroyed in the human digestive system and would not have any impact on animals and humans. The biotech companies have doggedly insisted that Bt-toxin doesn't bind or interact with the intestinal walls of mammals, and therefore humans.
However, the corn's Bt-toxin has been detected in the blood of pregnant women and their babies, as well as in non-pregnant women. Specifically, the toxin was identified in 93% of pregnant women, 80% of umbilical blood in their babies, and 67% of non-pregnant women tested.3 And there's plenty of evidence showing that the Bt-toxin produced in genetically modified Bt crops like corn is toxic to humans and mammals and triggers immune system responses. For example, in government-sponsored research in Italy, mice fed Monsanto's Bt corn showed a wide range of immune responses, such as:4
- Elevated IgE and IgG antibodies, which are typically associated with allergies and infections
- An increase in cytokines, which are associated with allergic and inflammatory responses. The specific cytokines (interleukins) that were found to be elevated are also higher in humans who suffer from a wide range of disorders, from arthritis and inflammatory bowel disease, to MS and cancer
- Elevated T cells (gamma delta), which are increased in people with asthma, and in children with food allergies, juvenile arthritis, and connective tissue diseases.
Rats fed another of Monsanto's Bt corn varieties called MON 863, also experienced an activation of their immune systems, showing higher numbers of basophils, lymphocytes, and white blood cells.5 These can indicate possible allergies, infections, toxins, and various disease states including cancer. There were also signs of liver and kidney toxicity.