Vitamin C megadosage systemic conditioning ("rebound scurvy"), preoxidant effects, iron overload, reduced absorption of vitamin B12 and copper, increased oxygen demand, and acid erosion of the teeth with chewing ascorbic-acid tablets. In addition, one case has been noted of a woman who had received a kidney transplant followed by high-dose vitamin C and died soon afterwards as a result of calcium oxalate deposits that destroyed her new kidney. Her doctors concluded that high-dose vitamin C therapy should be avoided in patients with renal failure. As discussed previously, vitamin C generally exhibits low toxicity. The (the dose that will kill 50% of a population)
Save the Children State of the World's Mothers report can be resolved if nutrition and health are improved later in childhood. Micronutrient deficiency - Micronutrient deficiency is when a child is lacking essential vitamins or minerals such as Vitamin A, iron, and zinc. These deficiencies are caused by a long-term lack of nutritious food or they can be caused by infections such as worms. There are 171 million children (17%) globally who do not have the opportunity to reach their full potential. This is due to not only the physical, but the mental effects of poor nutrition in the earliest months of life. Out of 171 countries, Iceland is