Vitamin C C deficiency. Beyond that, a role for vitamin C as prevention or treatment for various diseases is disputed, with reviews reporting conflicting results. A 2012 Cochrane review reported no effect of vitamin C supplementation on overall mortality. It is on the World Health Organization's List of Essential Medicines as one of the most effective and safe medicines needed in a health system. The disease scurvy is caused by vitamin C deficiency and can be prevented and treated with vitamin C-containing foods or dietary supplements. It takes at least a month of little to no vitamin C before symptoms occur. Early
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