This lecture by prof. Gilles-Eric Seralini (CRIIGEN) address a very important fact about the risk assessments done on previous and current genetically modified plants used in agriculture to produce food and feed (produced by the major player in the GMO-industry). The bottom line is that all the GMO risk assessments are all based on bad science. In short (according to prof. Seralini): In order to find statistical findings important (from feeding studies) they say they need a similarity between both sexes.... they say they need a proportional effect. They also said they have interpreted the data this way the last 50 years (GMO, chemicals, pesticides, and drugs).
According to prof. Seralini, it is not possible to expect proportional statistical data between the sexes simply because there is a diiference between the sexes before the feeding studies begin. Another important issue here is that none of the feeding trials by the producer is longer than 3 months. This is not long enough to find chronical and reproductive health issues.
If you are in a hurry you can just watch the fourth and fifth part below.
CRIIGEN (Committee for Research & Independent Information on Genetic Engineering)
Part 1 of 5
Part 2 of 5
Part 3 of 5
Part 4 of 5
Part 5 of 5