Vitamin d deficiency Articles, Information & Research

It is also produced endogenously when ultraviolet rays from sunlight strike the skin and trigger vitamin D synthesis [1-3]...Vitamin D Deficiency Nutrient deficiencies are usually the result of dietary inadequacy, impaired absorption and use, increased requirement, or increased excretion...

http://ods.od.nih.gov/factsheets/vitamind.asp

Vitamin D 3 is synthesized in skin by exposure to direct sunlight (ultraviolet B radiation) and obtained in the diet chiefly in fish liver oils and salt water fish. ... Deficiency impairs bone mineralization, causing rickets in children and osteomalacia in adults and possibly contributing to osteoporosis...

http://www.merck.com/mmpe/sec01/ch004/ch004k.html

Vitamin D 3 is produced in skin exposed to sunlight, specifically ultraviolet B radiation...conversion of vitamin D into active metabolites, such as liver or kidney disorders, or, rarely, by a number of hereditary disorders...

http://en.wikipedia.org/wiki/Vitamin_d

Vitamin D is found in many dietary sources such as fish, eggs, fortified milk, and cod liver oil. ... The term "vitamin D" refers to several different forms of this vitamin. ... Vitamin D2 is synthesized by plants...

http://www.nlm.nih.gov/medlineplus/druginfo/natural/patie...

An adequate calcium intake and adequate body stores of vitamin D are important foundations for maintaining bone density and strength. ... Conversely, lack of exposure to sunlight, due to residence in northern latitudes or physical incapacitation, causes vitamin D deficiency...

http://www.webmd.com/osteoporosis/guide/vitamin-d-for-ost...

Vitamin D 2 is less active in birds than vitamin D 3 and may also be less active in humans (2)...Severe Vitamin D Deficiency Rickets In infants and children, severe vitamin D deficiency results in the failure of bone to mineralize...

http://lpi.oregonstate.edu/infocenter/vitamins/vitaminD/i...

Background Vitamin D is found in many dietary sources such as fish, eggs, fortified milk, and cod liver oil...daily production of vitamin D, and as little as 10 minutes of exposure is thought to be enough to prevent deficiencies...

http://www.mayoclinic.com/health/vitamin-d/NS_patient-vit...

In fact, vitamin D deficiency remains common in children and adults...vitamin D deficiency can cause growth retardation and skeletal deformities and may increase the risk of hip fracture later in life...

http://content.nejm.org/cgi/content/extract/357/3/266

...recommendation comes after reviewing new clinical trials on vitamin D and the historical precedence of safely giving 400 IU per day to the pediatric population...Children with increased risk of vitamin D deficiency, such as those taking certain medications, may need higher doses of vitamin D...

http://www.aap.org/pressroom/nce/nce08vitamind.htm

It is important to treat and prevent deficiency to ensure good health, growth and strong bones...you think you are at risk of vitamin D deficiency, or if you have symptoms such as muscle or bone pains...

http://www.patient.co.uk/showdoc/27001328