When trans-fats were first introduced, corporations battled to get them onto your grocery shelves - and it is only decades later that this once novel food has been proven to be extremely unhealthful. Many scientists are worried that the genetically altered foods, once consumed, may pass on their mutant genes to bacterium in the digestive system, just like canola plants on the roadsides of North Dakota. How these new strains of bacteria may affect our body systems' balance is anybody's guess.