UC Davis plant pathologist Pamela Ronald appeared on the Dr. Oz television show, in which the medical personality promised to tell his audience what they need to know about GMOs.
Ronald was one of three guests, and the only one to support the production and consumption of genetically modified food.
"It was a tough go," Ronald wrote in a Tomorrow's Table blog post about her television appearance. "I did my best to refute the worst 'woo woo pseudoscience,' but it was difficult."
She pointed out on the program that, after 14 years of GMO consumption - primarily in food ingredients made from canola, soy beans, sugar beets and corn - there has been not a single instance of harm to human health or the environment.
However, Ronald's point was countered on the program by Jeffrey Smith, an anti-GMO activist, who said GE crops cause infertility, organ damage and endocrine disruption. Ronald said Smith's information doesn't have a scientific basis.
"We need to make policy based on the best science," Ronald said. "I would go with scientific information rather than ideas that have been put forth by non scientists."
Ronald referred viewers to three websites that she said contain science-based information about GMOs: