Pesticides are chemicals designed to kill, control, or repel insects, plant diseases, weeds, rodents, and germs. (Most pesticides are used in agriculture production, to killing pests found on hundreds of different crops including fruits, vegetables, nuts, and cereal grains.) All these foods form a good majority of North America’s diet, and the majority of these foods consumed contain pesticide residues. Pesticides are also used to get rid of unwanted pests in homes, schools, and parks. All of these chemicals are especially harmful to chi ....