The Department of Energy says that with GMOs there are flaws such as potential health risks or even allergies or there are even unknown symptoms that could occur since the technology is so new. There are also concerns about agricultural plants in an article by Phil Damery, a professor at Iowa State University, who states in an article “the agricultural food industry says genetically modified foods are rigorously tested, but food companies conduct all their own test. The US Food and Drug Administration never reviews studies, only the findings that food companies provide to the FDA. Damery says that when studies were conducted by non-agricultural food organizations, they found serious health risks with genetically modified foods and the way they tested their safety,” so this means the government is looking into the findings final testing for companies and is providing them with approval when most of them have not done sufficient testing. Also in an NPR article it says that genetically modified plants create superweeds and it also says that 25% of the time scientists don't know if the effect will be positive or negative. Genetically modified plants. An article from the GMO Food Corp of UK states that “other organisms in the ecosystem could be harmed, which would lead to a lower level of biodiversity. By removing a crop-damaging pest, you may be removing a food source for an animal.