Ketchup as a vegetable a bill that barred the USDA from changing its nutritional guidelines for school lunches. The proposed changes would have limited the amount of potatoes allowed in lunches, required more green vegetables, and declared a half-cup of tomato paste to count as a serving of vegetables, rather than the current standard of 2 tablespoons. The blocking of these proposed higher standards meant that the smaller amount of tomato paste in pizza could continue to be counted as a vegetable in school lunches. The move resulted in widespread mockery, with headlines saying Congress had declared pizza to be a vegetable. The blocking
Vegetable juice noted "a lack of human data and contradictory findings hampered conclusions". Another study has found that drinking vegetable juice reduces risks of Alzheimer's Disease by 76%. However, the British Nutrition Foundation holds that although vegetable juice counts as a serving, it can only count as one serving, regardless of the amount of juice drunk. Additionally, A 2007 Japanese study showed that although Japanese commercial juices had nutritional benefits, they were insufficient as a primary mode of vegetable consumption. Many popular vegetable juices, particularly ones with high tomato content, are high in sodium, and therefore consumption of them for health must