golden rice was developed to help with blindness caused by a deficiency of which vitamin
Golden rice The research that led to golden rice was conducted with the goal of helping children who suffer from vitamin A deficiency (VAD). In 2005, 190 million children and 19 million pregnant women, in 122 countries, were estimated to be affected by VAD.[24] VAD is responsible for 1â€“2 million deaths, 500,000 cases of irreversible blindness and millions of cases of xerophthalmia annually.[25] Children and pregnant women are at highest risk. Vitamin A is supplemented orally and by injection in areas where the diet is deficient in vitamin A.
History of agriculture Asian rice was domesticated 8,200â€“13,500 years ago in China, with a single genetic origin from the wild rice Oryza rufipogon,[58] in the Pearl River valley region of China. Rice cultivation then spread to South and Southeast Asia.[59]