What is organic food and what’s the big deal?
By definition, organic food is: produced using methods not involving synthetic pesticides and chemical fertilizers, does not contain genetically modified organisms, and no use of irradiation, industrial solvents, or chemical food additives. Foods that contain high levels of pesticides can lead to higher rates of cancer, skin irritation, infertility, and birth defects and brain damage in children, among other side effects that have yet to be discovered. http://nanopatentsandinnovations.blogspot.com/2011/05/8-possible-side-effects-of-pesticides.html
The Environmental Working Group (EWG) has a list of foods that consumers should buy organic whenever possible. This list is called the Dirty Dozen and contains foods that are notoriously high in levels of pesticide and insecticide contamination.
Worst of the Dirty Dozen™
Eaten daily by many children, 98 percent of conventional apples had pesticides.
Highly contaminated, celery tested positive for 57 different pesticides.
#3 Bell Peppers
Best of the Clean 15™
Conventional onions are a clean crop. Less than 1 percent of samples had any pesticides.
#2 Sweet Corn
98 percent of all frozen and sweet corn samples had no detectable pesticide residues.
Only 6 different pesticides were found on pineapples.