Joni Kamiya, Regarding the logical process of collecting data that you talk about, I am the one who is citing peer-reviewed articles published in scientific journals.  Your are the one citing blogs.

Here is another peer-reviewed article published in a journal.  It descriibes a study that found pesticides associated with GMO foods in maternal, fetal, and nonpregnant women's blood.
http://www.uclm.es/Actividades/repositorio/pdf/doc_3721_4666.pdf