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Mapping of several bone diseases onto levels of vitamin D (calcidiol) in the blood [6] Normal bone vs. osteoporosis. Vitamin D deficiency is typically diagnosed by measuring the concentration of the 25-hydroxyvitamin D in the blood, which is the most accurate measure of stores of vitamin D in the body.
Low vitamin D levels can cause muscle weakness, ... Older adults (over 65) ... Chronically low vitamin D can result in weak bones at any age.
Socioeconomic factors that limit a vitamin D rich diet also plays a role. In the United States, vitamin D insufficiency varies dramatically by ethnicity. Among females aged 70 years and older, the prevalence of low serum 25(OH) D levels was 28.5% for non-Hispanic whites, 55% for Mexican Americans, and 68% for non-Hispanic blacks.
Vitamin D deficiency remains the main cause of rickets among young infants in most countries because breast milk is low in vitamin D, and darker skin, social customs, and climatic conditions can contribute to inadequate sun exposure.
Vitamin D supplementation for postmenopausal women and older men — given that those populations had normal vitamin D levels, no previous fractures, and no issues with bone density — was found ...
It’s recommended that adults get between 600 and 800 international units of vitamin D per day, depending on their age. It’s estimated that more than 40% of adults in the U.S. have a vitamin D ...
Hypovitaminosis D has been associated with many neurological conditions. However, an actual mechanism of action for each of the conditions has yet to be solidified. Many researchers have questioned whether the depletion of vitamin D actually causes these disorders or if vitamin D deficiency is a symptom of these disorders. [medical citation needed]
A recent study published in the British Medical Journal, looked at a large sample of older adults ages 60 to 84. Participants were divided into two groups—one was given a placebo, while the ...