It's been suggested from previous studies that vitamin D affects bone and muscle health, and therefore, likely reduces the risk of falls in the elderly. The aim of this new study (a systematic review) was to summarize the existing evidence on vitamin D use and the risk of falls.
A total of 26 eligible trials of moderate quality that enrolled 45,782 participants -- the majority of which were elderly and female -- were included in the analysis.
Results showed that vitamin D use was associated with statistically significant reduction in the risk of falls (about a 14% reduced chance of a fall). This effect was more prominent in patients who were vitamin D deficient at baseline and in studies in which calcium was co-administered with vitamin D. The risk reduction in studies without co-administration of calcium did not reach statistical significance.
The authors conclude, "Vitamin D combined with calcium reduces the risk of falls."
Source: The Effect of Vitamin D on Falls: A Systematic Review and Meta-Analysis
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