Understanding Vitamin A Deficiency
Vitamin A Deficiency FAQ
What causes vitamin A deficiency?
Vitamin A deficiency also occurs because of liver disorders. Your liver stores most of your body’s vitamin A, and liver disorders can interfere with vitamin storage. Diseases and conditions that impair your intestine’s ability to absorb fat can also cause vitamin A deficiency.
What are the effects of vitamin A deficiency?
Drying, scaling, and follicular thickening of the skin and respiratory infections can result. Immunity is generally impaired. The younger the patient, the more severe are the effects of vitamin A deficiency. Growth retardation and infections are common among children. Mortality rate can exceed 50% in children with severe vitamin A deficiency.
How common is vitamin A deficiency?
An estimated 250,000 to 500,000 children become blind every year because of vitamin A deficiency. Half of these children die within a year of losing their sight. In pregnant and lactating women, vitamin A deficiency causes night blindness and may contribute to maternal mortality, due to harm to the immune (or disease-fighting) system.
What is vitamin A deficiency?
Deficiency, or a lack, of vitamin A in your body happens because of a lack of sufficient amounts of vitamin A in your diet. Over time, a lack of vitamin A means that you may develop problems with vision and be less able to fight infections. Mild forms of vitamin A deficiency may cause no symptoms but sometimes may cause tiredness (fatigue).
What are the symptoms of vitamin A deficiency?
Mild forms of vitamin A deficiency may cause no symptoms but sometimes may cause tiredness (fatigue). Both mild and severe forms of vitamin A deficiency may cause an increased risk of: Infections, including throat and chest infections, and gastroenteritis. Delayed growth and bone development in children and teenagers. Infertility. Miscarriage.
What are the complications of vitamin A deficiency?
Vitamin A deficiency can lead to ophthalmological, dermatological, and immune impairment. This activity addresses the complications of vitamin A deficiency and how to treat affected patients. Describe the metabolism of Vitamin A in the body. Identify common manifestations of Vitamin A deficiency.
Vitamin A Deficiency References
If you want to know more about Vitamin A Deficiency, consider exploring links below:
What Is Vitamin A Deficiency
- https://www.nhs.uk/conditions/vitamins-and-minerals/vitamin-a/
- https://my.clevelandclinic.org/health/diseases/23107-vitamin-a-deficiency
- https://patient.info/healthy-living/vitamin-a-deficiency-leaflet
- https://www.verywellhealth.com/vitamin-a-deficiency-5214334
- https://www.healthline.com/nutrition/vitamin-a-deficiency-symptoms
- https://en.wikipedia.org/wiki/Vitamin_A_Deficiency
- https://www.ncbi.nlm.nih.gov/books/NBK567744/
- https://www.webmd.com/vitamins-and-supplements/what-is-vitamin-a-deficiency
- https://www.aao.org/eye-health/diseases/vitamin-deficiency
- https://www.merckmanuals.com/professional/nutritional-disorders/vitamin-deficiency,-dependency,-and-toxicity/vitamin-a-deficiency
Vitamin A Deficiency Information
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