
I got the information from a spanish newspaper in 2007, now here you have a simmilar piece of news but in English: Organic Food In Relation To Nutrition.
That's all for now.
We live in a blue little planet which turns around a medium star in a little solar system, on the outskirts of a medium galaxy which has billions of stars, and which belongs to a universe made up with billions of billions of starts. So... do you realize how tiny and fragile we are?