25-hydroxyvitamin D [25(OH)D] tagged posts

vit D pathway

Increasing vitamin D levels may lower risk for developing cancer, according to a study conducted by Creighton University with cooperation from the University of California San Diego. The results of the study were released today in the Journal of the American Medical Association. The study, funded by the National Institutes of Health, is a randomized clinical trial of the effects of vitamin D supplementation on all types of cancer combined.

en 55 years and older from 31 counties in Nebraska. Participants were randomly assigned to take either 2000 international units (IU) of vitamin D3 and 1500 mg. of calcium or identical placebos daily for 4 years...

A/Prof Amy Millen’ team found women who are deficient in vitamin D and have a specific high-risk genotype are 6.7X more likely to develop AMD than women with sufficient vitamin D status and no high risk genotype.
“This is not a study that can, alone, prove a causal association, but it does suggest that if you’re at high genetic risk for AMD, having a sufficient vitamin D status might help reduce your risk.”

Macular degeneration is characterized by the deterioration of the macula, a small part of the central retina where the eye’s photoreceptors (rods and cones) are most highly concentrated...