In addition to the extra antioxidants, many people choose organic food because chemical pesticides are prohibited in organic growing.
But even organic food has some residual pesticides, Lammel-Harmon said, because the chemicals are already in the air. “There’s nothing the farmers can do about it,” she said. That might not be a major problem, however. Current research shows that the level of pesticides associated with the food we eat is unlikely to cause harm, experts said.