"His study was a PR disaster for Monsanto"
A specialist in GM foods and pesticides, the biologist Gilles-Éric Seralini has studied their toxicity and effects on people's health for many years. In September 2012, for the first time in a major scientific journal (Food and Chemical Toxicology), he published a study showing the effect on the liver and kidneys of two of Monsanto's flagship products: Roundup weedkiller and the GM foods created to absorb it. Images from the study of tumor-ridden rats fed with GM foods and Roundup went viral.
For more info on The Monsanto Papers visit: https://www.simonandschuster.com/books/The-Monsanto-Papers/Gilles-Eric-Seralini/Children-s-Health-Defense/9781510767638