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Vitamin D and Omega-3 Trial (VITAL) [1] was a clinical trial designed to investigate the use of daily dietary supplements of vitamin D and fish oil.. The sponsor of the study was Brigham and Women's Hospital, collaborating with The National Cancer Institute, National Heart, Lung, and Blood Institute, Office of Dietary Supplements, National Institute of Neurological Disorders and Stroke ...
Pre-eclampsia: There has been an association between vitamin D deficiency and women who develop pre-eclampsia in pregnancy. The exact relationship of these conditions is not well understood. [17] Maternal vitamin D deficiency may affect the baby, causing overt bone disease from before birth and impairment of bone quality after birth. [9] [18]
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According to a 2013 analysis of extramural clinical trials supported by the NHLBI, [116] the components of the WHI study have been some of the most frequently cited in the literature, with the E+P trial ranking first among all NHLBI-sponsored clinical trials, alone averaging 812.5 citations annually (total average annual number of citations for ...
In women, vitamin D receptors are expressed in the superficial layers of the urogenital organs. There is an association between vitamin D deficiency and a decline in sexual functions, including sexual desire, orgasm, and satisfaction in women, with symptom severity correlated with vitamin D serum concentration.
Vitamin D (the inactive version) is mainly from two forms: vitamin D 3 and vitamin D 2. Vitamin D 3, or cholecalciferol, is formed in the skin after exposure to sunlight or ultra violet radiation or from D 3 supplements or fortified food sources. Vitamin D 2, or ergocalciferol, is obtained from D 2 supplements or fortified food sources. [3]
The Institute of Medicine in 2010 recommended a maximum uptake of vitamin D of 4000 IU/d, finding that the dose for lowest observed adverse effect level is 40,000 IU daily for at least 12 weeks, [25] and that there was a single case of toxicity above 10 000 IU after more than seven years of daily intake; this case of toxicity occurred in ...
Historically, clinical trials were offered to men, not women. In the 1990s, the National Institutes of Health began requiring that women be included. However, gender inequity still exists.