At the University of Buffalo’s School of Public Health and Health Professions, researchers have found that high vitamin D levels are associated with less risk of age-related macular degeneration in women under 75.
For the study, Amy E. Millen, Ph.D., and her team looked at levels of vitamin D in the bloodstream of over 1300 women, specifically what is known as serum 25(OH)D. She was quoted on Science Daily as saying that this marker reflects vitamin D from sunshine as well as from food sources.
The study looked at other age groups, too, but the consumers of the highest levels of vitamin D in the under 75 group had a 59 percent less chance of early age-related macular degeneration than the consumers of the lowest levels.
Not only eye health but also bone health is linked to levels of vitamin D. According to Susan Randall, Director of Science and Education for the National Osteoporosis Foundation, it is difficult to get enough vitamin D from the sun. Deep water fish such as salmon and mackerel can supply it, and supplements are readily available.
And in a recent study involving teen patients at the University of Rochester, low vitamin D levels were found to be significantly associated even with psychotic symptoms like hallucination, although studies have not shown that low levels cause it. The study was reported at the annual meeting of the American Academy of Child and Adolescent Psychiatry.
The women looked at for age-related macular degeneration associated with vitamin D were participating in the Carotenoids in Age-Related Eye Disease Study.
For the study, go to: Amy E. Millen; Rick Voland; Sherie A. Sondel; Niyati Parekh; Ronald L. Horst; Robert B. Wallace; Gregory S. Hageman; Rick Chappell; Barbara A. Blodi; Michael L. Klein; Karen M. Gehrs; Gloria E. Sarto; Julie A. Mares; for the CAREDS Study Group. Vitamin D Status and Early Age-Related Macular Degeneration in Postmenopausal Women. Archives of Ophthalmology, 2011; 129 (4): 481-489 DOI: 10.1001/archophthalmol.2011.48
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