Vitamin D is a fat-soluble secosteroid, traditionally considered a key regulator of bone
metabolism, calcium and phosphorous homeostasis. Its action is made possible through the …

Parkinson's disease (PD) is a heterogeneous progressive neurodegenerative disorder,
which typically affects older adults; it is predicted that by 2030 about 3% of the world …

Background This literature review and meta-analysis aimed to determine the association
between deficiency of vitamin D, or 25-hydroxyvitamin D, and Parkinson's disease, and …

Objectives Vitamin D deficiency is widespread in patients with Parkinson's disease (PD). Our
aim was to determine whether serum vitamin D levels correlated with bone mineral density …

Vitamin D deficiency is suggested to be associated with Parkinson's disease (PD). Our aim
was to investigate the serum 25-hydroxyvitamin D 3 (25OHD) levels of PD patients in …

The role of vitamin D in bone health has been known for over a century. More recent
research has suggested that vitamin D may play a role in the muscular, immune, endocrine …

Background and Objectives: Previous studies have shown that the levodopa treatment of
Parkinson's disease (PD) elevates circulating homocysteine levels, which are associated …

Background Amyotrophic lateral sclerosis (ALS) patients manifest aberrations in the vitamin
D endocrine system, with a vitamin D deficiency. Genetic investigations have identified those …

Background: A role for vitamin D deficiency in Parkinson disease (PD) has recently been
suggested. Objective:: To estimate the state of vitamin D in PD with an age-matched healthy …

The world population is aging, and diseases related to age, such as neurodegenerative
diseases, are increasing. Oxidative stress is one of the contributing factors in …