The fast food company also announced it will serve milk free of growth hormones later this year.
Chemical emulsifiers are shown to cause obesity in mice. The problem for humans is that they're used in most processed foods.
Will a food-based project using 3D printers get people to grow vegetables and eat healthier? First, there's the issue of the technology's accessibility to consider.
As the country's nutrition advisory panel links meat consumption to environmental impact, the meat lobby plans their next move.