vitamin D

Vitamin D overload concerns expressed at AADThere's been much debate in the literature about the need for and role of vitamin D, which may encourage patients to overdo vitamin dosing, researchers said at AAD 2018 this week.
Do vitamin D levels affect ART outcomes?A recently published meta-analysis has found a relationship between a woman’s vitamin D levels and the success rate of assisted reproduction therapy (ART). Plus: Is progesterone effective in preventing preterm birth? Also: Results of a large cohort study show that women whose BMI is below or above normal before pregnancy may be at increased risk of complications or death associated with birth.
Vitamin D supplementation in nursing mothers and infantsThere are challenges to defining normal or healthy levels of vitamin D. The question, therefore, is whether to recommend vitamin D supplementation for breastfeeding mothers, their breastfed infants, or both.
Reviewing anterior segment ARVO 2017 postersSo much basic science research is presented at this meeting, and most of it will be years before it makes its way to clinical trials. Let’s concentrate on research that might be of use to us in the exam room very soon.
Sunlight and its effect on eye healthAvoiding sunlight entirely appears to be a misdirection. Melanoma is inversely related to latitude and inadequate acclimation (i.e., increased melanization and epidermal thickening), which carries the risk of both melanoma and non-melanoma skin cancer—common in northern latitudes.
Researchers reject vitamin D role in macular degeneration
Researchers reject vitamin D role in macular degenerationAnalyzing data from the European Eye Study, Gareth J. McKay, PhD, of Queen’s University in Belfast, United Kingdom, and colleagues in 7 countries in Europe found no meaningful association between serum 25-hydroxy vitamin D (25(OH)D) and AMD. They published the finding in Ophthalmology.
5 intriguing ARVO abstracts about uveitisAt the 2016 Association for Research in Vision and Ophthalmology (ARVO) meeting in Seattle, about 100 uveitis and uveitis-related papers and posters were presented by researchers from around the world. The presentations covered a wide range of research initiatives that are underway to treat–or at least understand how to address–uveitis. Here are five intriguing abstracts of research that were presented at the meeting.
Impact of nutritional deficiencies on migrainesNutritional deficiencies may play a role in the development and/or perpetuation of migraines in children, according to a new study, but further research is needed to determine if supplementation would help.
Rates of unintended pregnancy in US at historic lowData from the National Center Health Statistics (NCHS) show that rates of unintended pregnancy in the United States have a hit a 3-decade low.
Vitamin D advice must weigh benefits, risksWhile low levels of vitamin D are linked with several diseases, ingesting too much vitamin D increases risks for other health conditions. In counseling patients on supplementation, one must take into consideration patient characteristics such as individual medical conditions and race.