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Prevalence of vitamin A deficiency, 1995-2005. Vitamin A deficiency (VAD) or hypovitaminosis A is a lack of vitamin A in blood and tissues. [1] It is common in poorer countries, especially among children and women of reproductive age, but is rarely seen in more developed countries. [1]
For example, in the United States of America, one out of every six children is at risk of hunger. [ citation needed ] A study, based on 2005–2007 data from the U.S. Census Bureau and the Agriculture Department , shows that an estimated 3.5 million children under the age of five are at risk of hunger in the United States .
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The causes are vitamin A deficiency during pregnancy, followed by low transfer of vitamin A during lactation and infant/child diets low in vitamin A or β-carotene. [ 22 ] [ 19 ] The prevalence of pre-school age children who are blind due to vitamin A deficiency is lower than expected from incidence of new cases only because childhood vitamin A ...
Clinical vitamin A deficiency is particularly common among pregnant women, with prevalence rates as high as 9.8% in South-East Asia. [ 121 ] Estimates say that 28.5% of the global population is iodine deficient, representing 1.88 billion individuals. [ 125 ]
Even among adults without conditions that may be associated with iron deficiency – anemia, heart failure, chronic kidney disease or pregnancy – the estimated prevalence of absolute iron ...
Vitamin A deficiency is a major public health problem in poor societies. Dietary consumption of foods rich with vitamin A was low in Ethiopia. In 2021, a study was published that evaluated the spatial distribution and the spatial variables affecting it in dietary consumption of foods rich (or poor) in vitamin A among children aged 6–23 months ...
CBS News journalist slams media, says most underreported 2024 story was Biden’s ‘obvious cognitive decline’