How Many Insect Parts and Rodent Hairs are in Food? More Than You Think

so common are these contaminants that the FDA has published a booklet detailing the so-called "Food Defect Action Levels," which were needed, according to the FDA, " ... because it is economically impractical to grow, harvest, or process raw products that are totally free of non-hazardous, naturally occurring, unavoidable defects."