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- Overview: Bone fractures and vitamin D
- All items in category Falls and Fractures
Endocrinol Metab Clin North Am. 2010 Jun;39(2):347-53, table of contents.
Centre on Aging and Mobility, University of Zurich, Zurich, Switzerland. Heike.Bischoff at usz.ch
This article discusses the amount of vitamin D supplementation needed and the desirable 25-hydroxyvitamin D level to be achieved for optimal fracture prevention. PMID: 20511056
Note – This meta-analysis found that 650 IU reduced all fractures by 21% and fractures for people ages 65-74 by 33%
Nutritional factors that influence change in bone density and stress fracture risk among young female cross-country runners - 2010
PM R. 2010 Aug;2(8):740-50; quiz 794.
Nieves JW, Melsop K, Curtis M, Kelsey JL, Bachrach LK, Greendale G, Sowers MF, Sainani KL.
Clinical Research Center, Helen Hayes Hospital, Route 9W, West Haverstraw, NY 10993, USA. jwn5 at columbia.edu
OBJECTIVE: To identify nutrients, foods, and dietary patterns associated with stress fracture risk and changes in bone density among young female distance runners.
DESIGN AND SETTING: Two-year, prospective cohort study. Observational data were collected in the course of a multicenter randomized trial of the effect of oral contraceptives on bone health.
PARTICIPANTS: One hundred and twenty-five female competitive distance runners ages 18-26 years.
ASSESSMENT OF RISK FACTORS: Dietary variables were assessed with a food frequency questionnaire.
MAIN OUTCOME MEASUREMENTS: Bone mineral density and content (BMD/BMC) of the spine, hip, and total body were measured annually by dual x-ray absorptiometry (DEXA). Stress fractures were recorded on monthly calendars, and had to be confirmed by radiograph, bone scan, or magnetic resonance imaging.
RESULTS: Seventeen participants had at least one stress fracture during follow-up. Higher intakes of calcium, skim milk, and dairy products were associated with lower rates of stress fracture. Each additional cup of skim milk consumed per day was associated with a 62% reduction in stress fracture incidence (P < .05); and a dietary pattern of high dairy and low fat intake was associated with a 68% reduction (P < .05). Higher intakes of skim milk, dairy foods, calcium, animal protein, and potassium were associated with significant (P < .05) gains in whole-body BMD and BMC. Higher intakes of calcium, vitamin D, skim milk, dairy foods, potassium, and a dietary pattern of high dairy and low fat were associated with significant gains in hip BMD.
CONCLUSIONS: In young female runners, low-fat dairy products and the major nutrients in milk (calcium, vitamin D, and protein) were associated with greater bone gains and a lower stress fracture rate. Potassium intake was also associated with greater gains in hip and whole-body BMD. PMID: 20709302Fewer bone and stress fractures with vitamin D - many studies
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