Vitamin D deficiency is associated with secondary hyperparathyroidism, increased bone
turnover, and bone loss, leading to increased risk for osteoporotic fractures. The objective of …

Objective: Inadequate vitamin D level is associated with secondary hyperparathyroidism and
increased bone turnover and bone loss, which in turn increases fracture risk. The objective …

Background Inadequate serum vitamin D [25 (OH) D] concentrations are associated with
secondary hyperparathyroidism, increased bone turnover and bone loss, which increase …

Background/Aim: Vitamin D (vitD) levels are positively associated with bone health and
seasonality affects serum vit D. The aim of the study was to investigate the degree of …

OBJECTIVE: Studies have shown that low serum vitamin D levels are associated with
secondary hyperparathyroidism, which decreases bone strength and increases fracture risk …

Inadequate vitamin D status is associated with secondary hyperparathyroidism and
increased bone turnover and bone loss, which in turn increases fracture risk. The objective …

Vitamin D deficiency and insufficiency are common medical problems worldwide as they are
quite prevalent in both healthy adults and individuals with osteoporosis, hospitalized …

Background: Vitamin D inadequacy has been studied extensively, due to concerns about
ageing populations, associations with osteoporosis and other disorders (including non …

Aim: To assess the seasonal prevalence of inadequate (insufficient or deficient) serum
vitamin D levels in community-dwelling postmenopausal Polish women screened for …

We measured serum vitamin D in 8024 Romanian subjects and found a marked seasonal
variation with highest levels in September and lowest levels in March. The seasonal …