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Vitamin A deficiency is a major factor in causing blindness worldwide, particularly among children. [13] Global vitamin A supplementation efforts have targeted 103 priority countries. In 1999, 16 percent of children in these countries received two annual doses of vitamin A. By 2007, the rate increased to 62 percent. [14]
Micronutrients are nutrients such as vitamins and minerals required by organisms in varying quantities throughout life to orchestrate a range of physiological functions to maintain health. [1] [2] The following is a list of micronutrients used by various living organisms. For human-specific nutrients, see Mineral (nutrient).
The Maternal and Child Nutrition Study Group estimate that under nutrition, "including fetal growth restriction, stunting, wasting, deficiencies of vitamin A and zinc along with suboptimum breastfeeding—is a cause of 3.1 million child deaths and infant mortality, or 45% of all child deaths in 2011".
Micronutrient deficiencies are considered a public health problem worldwide. For over 30 years it has been estimated that more than two billion people of all ages are affected by this burden, [1] while a recently published study based on individual-level biomarker data estimated that there are 372 million children aged 5 years and younger, and 1.2 billion non-pregnant women of reproductive age ...
See Vitamin, Mineral (nutrient), Protein (nutrient) An inadequate amount of a nutrient is a deficiency. Deficiencies can be due to several causes, including an inadequacy in nutrient intake, called a dietary deficiency, or any of several conditions that interfere with the utilization of a nutrient within an organism. [1]
The best vitamins, minerals and nutrients for hair growth include vitamin A, vitamin B12, folic acid, vitamin C, vitamin D, vitamin E, biotin, zinc, iron, protein, keratin and omega-3 fatty acids.
Chromium supplementation in general is subject to a certain amount of controversy as it is by no means clear that chromium is an essential element in human biology. [25] Nevertheless, chromium is an ingredient in total parenteral nutrition, along with other trace minerals. [26] It is also in nutritional products for preterm infants. [27]
Alcoholism can also cause vitamin deficiencies. Long-term deficiencies can be life-threatening. [20] Riboflavin (Vitamin B 2) deficiency: Deficiency causes painful red tongue with sore throat, chapped and cracked lips, and inflammation at the corners of the mouth (angular cheilitis). Eyes can be itchy, watery, bloodshot and sensitive to light.