NC State Extension

Responses to Controversial Studies

While the preponderance of studies investigating the impact of genetically engineered foods have found no health related issues, there are a few that have reported potential problems. Some of these have been widely covered in the media. The links here provide some scientifically related challenges to the validity of their conclusions.
Séralini’s republished study: long-term toxicity of a Roundup herbicide and a Roundup-tolerant genetically modified maize

Effect of diets containing genetically modified potatoes expressing Galanthus nivalis lectin on rat small intestine by SW Ewen and Arpad Pusztai

NEJM Perspective: GMOs, Herbicides, and Public Health Philip J. Landrigan, M.D., and Charles Benbrook, Ph.D.

Maternal and fetal exposure to pesticides associated to genetically modified foods in Eastern Townships of Quebec, Canada (claim of presence of Bt, glyphoate and gluphsosinate in in pregnant women’s blood)