Bone Abstracts

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Although the optimal requirement of vitamin D for skeletal health in the general community remains uncertain, vitamin D deficiency impairs bone mineralisation, increases bone turnover, accelerates bone loss and increases fracture risk. Seasonal variation in the hip fracture incidenc, reported in several studies, supports a role for vitamin D deficiency in the epidemiology of hip fracture. We hypothesised that if the association is causal, then the amplitude of the seasonal var...