>The prominence of gastrointestinal cancers and the coincidence with dietary changes in many countries point to the rising rates of obesity and diets rich in processed foods as likely culprits in contributing to rising case rates

Dousing our crops with toxic pesticides for decades, mass-producing the same genetically modified seeds over and over, and sucking every last nutrient out of the soil through overfarming. Nope, nothing to see there! An economy based on maximizing profits at all costs while disregarding environmental impacts will create problems like this.