https://phys.org/news/2019-01-genetically-food-opponents.html > Marketing and psychology researchers asked more than 2,000 U.S. and European adults for their opinions about GM foods. The surveys asked respondents how well they thought they understood genetically modified foods, then tested how much they actually knew with a battery of true-false questions on general science and genetics. > Despite a scientific consensus that GM foods are safe for human consumption and have the potential to provide significant nutritional benefits, many people oppose their use. More than 90 percent of study respondents reported some level of opposition to GM foods.