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Doctor insights on: Vitamin A Deficiency In Birds

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What causes vitamin K deficiency in a baby?

What causes vitamin K deficiency in a baby?

Diet/ gut germs: Vitamins are something we need we can't make ourselves & for vitamin k there is a special step. Intestinal bacteria help convert ingested k precursors to the active form we need. Since newborns have no gut germs at the start, it takes a while to start the process. That is why babies get a v k shot at birth to bridge the ~ 8 days it takes for the process to kick in. ...Read more

Dr. Lourdes Margarita Landron-Garcia
437 doctors shared insights

Vitamin A (Definition)

Vitamin A helps form and maintain healthy teeth, skeletal and soft tissue, mucous membranes, and skin. It is also known as retinol because it produces the pigments in the retina of the eye. Vitamin A promotes good vision, especially in low light. It may also be needed ...Read more


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What is the cause of vitamin d deficiency in sailors?

What is the cause of vitamin d deficiency in sailors?

Vit d def in sailors: It could be from both nutrtional def and lack of sunlight if the saiore are sailing in areas with low or no sunlight ( e.g. Always foggy). ...Read more

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What are signs of vitamin d deficiency in a child?

Poor growth, aching: Severe vitamin d deficiency in a child over time will produce rickets. This condition causes poor growth, deformity of the lower extremities and muscle aches. If diagnosed by the finding of a low serum 25-hydroxyvitamin d level in blood it also results in low blood calcium and phosphorus levels. If treated at an early stage with vitamin d the child should achieve normal growth. ...Read more

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Can a person aquire a vitamin a deficiency later in life?

Can a person aquire a vitamin a deficiency later in life?

Vitamin deficiency: A person can acquire a vitamin deficiency at any time if they are are taking a diet deficient diet. It is pretty difficult to develop a deficiency on a normal healthy diet. ...Read more

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To correct vit d deficiency in kids, how many courses of cholecalciferol (granules) can b given safely in a year; does more of it cause vit d toxicity?

To correct vit d deficiency in kids, how many courses of cholecalciferol (granules) can b given safely in a year; does more of it cause vit d toxicity?

3 month check: Response to treat varies depending on reason for deficiency or if Rickets (softening bones from low Vit D) is present. Your child's Vit D levels should be monitored closely to gauge when to adjust the medication. Add salmon, tuna, eggs, dairy and fortified cereals to the diet if no food restrictions. ...Read more

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What is the prevalence rate of vitamin d deficiency globally and in asia in particular?

What is the prevalence rate of vitamin d deficiency globally and in asia in particular?

High: There isn't widespread screening but where it is screened for in many cases it is low especially in the context of any kind of ill health. Surprisingly this is true even in tropical countries where one would think sun exposure would prevent deficiency. One explanation is that it is being broken down by free cadmium, an air pollutant that has been increasing. Poor nutrition increases risk. ...Read more

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What are the symptoms of vitamin d deficiency in elderly adults?

Weak bone&mscules: Vitamin d deficiency in are likely to be losses in bone, strength, and function and the development of pain. Muscle weakness reduction in muscle mass and muscle strength results in functional impairment cognitive decline osteoporosis osteomalacia more susceptible to falling fracture risk to diseases, abnormal sleep cycles and moods swings. ...Read more

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What is the best time for sun-exposure in patient with vitamin D deficiency? In iraq and Eastern populations ?

What is the best time for sun-exposure in patient with vitamin D deficiency? In iraq and Eastern populations ?

Mid-day: The sun has to be fairly high in the sky, at least 50 degrees above the horizon, for UVB rays that are needed to produce Vit D to reach the ground, so mid-day is the best time. For a detailed discussion see http://tinyurl.com/7kv5pgm From about 10/10 to early March the sun is never that high so the only way to get adequate D is to supplement- I advise 5000 iu/day. See http://tinyurl.com/2chkcer ...Read more

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Can we say that vit b is also a good source of protein since vegetables like legumes is rich in vit b and rich in protein also.Tnx?

Can we say that vit b is also a good source of protein since vegetables like legumes is rich in vit b and rich in protein also.Tnx?

No: These are totally different chemicals. Vitamins are not proteins. They are not made of amino acids. Proteins are made of amino acids. If legumes contain vitamin b and protein, then how can pure vitamin b contain protein - that doesn't make logical sense. ...Read more

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Is vitamin E deficiency rare in the u.S.? Who might get it?

Is vitamin E deficiency rare in the u.S.?  Who might get it?

Very common: In my opinion, it's virtually impossible these days to get all the nutrients we need from food. Our produce is deficient due to farming and harvesting practices, and our increasingly toxic planet and stressful lives increases our body's requirements for nutrients to help detoxify. We have no good food sources for vitamin d or iodine. I recommend multivit, vit d, and fish oil for everyone. ...Read more

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A deficiency in which mineral leads to thyroid deficiency?

A deficiency in which mineral leads to thyroid deficiency?

Iodine, but....: The thyroid needs iodine. However, it is almost impossible to become iodine deficient if you live in the us or other western countries because iodine is in salt, and normal foods. ...Read more

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Can a deficiency in vitamin d cause anxiety symptoms?

Vitamin D: Deficiency in vitamin d is "associated" with many disorders, including cardiovascular and other diseases. To date, the evidence linking vit. D. Deficiency with anxiety is poor. ...Read more

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Can chronic diarrhea be the cause of a vitamin D deficiency?

Can chronic diarrhea be the cause of a vitamin D deficiency?

Maybe: Hi. If you get most of your vit. D from your diet (instead of from sun exposure), malabsorption can cause vit. D deficiency. So causes of malabsorption are associated with diarrhea, so there can be a connection. In general, I'd say chronic diarrhea needs a good work up by a gastroenterologist. Good luck! ...Read more

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What causes vitamin K deficiency in people?

What causes vitamin K deficiency in people?

Diet or Antibiotics: The vast majority of our vitamin k is actually produced by symbiotic bacteria in our intestines. So, if one has recently had a bout of heavy antibiotic use (which kills off both "good and "bad" bacteria in the body), then vitamin k deficiency can result. Poor diet can also lead to this deficiency. A deficiency in vit. K most often results in easy bleeding/hemorrhage susceptibility. ...Read more

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Can a deficiency in a certain vitamin lead to heart disease ?

Can a deficiency in a certain vitamin lead to heart disease ?

Yes: In the last few years, studies have revealed that vitamin d3 deficiency is associated with increased risk of cardiac events. At the same time, vitamin d3 deficiency is quite common, especially in our northern climate where exposure to the sun, which is required for our bodies to produce this vitamin, is limited to the summer months. If your level is low, oral supplements can remedy this problem. ...Read more

Dr. Dennis Karter
65 doctors shared insights

Vitamin A Deficiency (Definition)

A lack of Vitamin A, which can cause susceptibility to infectious ...Read more