Osteoporosis patients with low vitamin D levels may not respond to their medication as well as those with normal levels of the vitamin, scientists have said.
Women with low bone density were found to be seven times more likely to benefit from a bisphosphonate drug when their vitamin D levels were higher, according to a study to be presented at the Endocrine Society's 93rd Annual Meeting in Boston.
Co-author Richard Bockman, of the Hospital for Special Surgery in New York, explained: "Maintaining adequate vitamin D levels above those recently recommended by the IOM [Institute of Medicine] is important for optimising a standard therapy for osteoporosis: bisphosphonates."
The Institute of Medicine recommended that most adults up to the age of 70 need more than 600 International Units a day to maintain bone health.
Meanwhile, adults admitted to hospital with pneumonia were found to be at an increased risk of death if they have a vitamin D deficiency, according to findings published in journal Respirology.
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