Four bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning have won the 2016 World Food Prize. The scientists are from the International Potato Center. They won the bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning for making sweet potatoes bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning . This has bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning for millions of people around the world. The scientists developed sweet potatoes that have bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning amounts of Vitamin A. This means they contain more bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning . One researcher said it was bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning to get farmers to help bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning with his work. The researcher said: "They told me it was a bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning idea." The farmers said their job was to grow more potatoes, kill pests and reduce bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning , not increase nutrition. The sweet potato could stop people dying from bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning . This is not having bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning to eat. A lack of Vitamin A is very bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning . Scientists say malnutrition affects over 140 million bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning children in 118 countries. It also affects over seven million bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning women. Scientists also say it is a big reason for children becoming bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning . Jan Low, from the International Potato Center, said the prize- bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning sweet potatoes could make a big bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning . Hungry people could get enough Vitamin A. She hopes bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning scientists will grow bad benefits blind difference difficult enough extra harmful healthier him malnutrition more nutrition poverty pregnant prize scientists small vegetables winning that have extra nutrition.