While fruits and vegetables are tasty and filled with necessary vitamins and nutrients, not everything in them is good for you. Unless you buy organic, your fruits and veggies grew up in fields teeming in pesticides. They could also be hiding bacteria like salmonella and E. Coli, which can cause food-borne illness. Of course, the FDA has regulations that only allow a small amount of pesticides and herbicides on the foods you buy, but really, who wants to ingest any amount of these chemicals at all?