Ilse S Wicherts

Learn More
CONTEXT Vitamin D deficiency is common among older people and can cause mineralization defects, bone loss, and muscle weakness. OBJECTIVE The aim of this study was to investigate the association of serum 25-hydroxyvitamin D (25-OHD) concentration with current physical performance and its decline over 3 yr among elderly. DESIGN The study consisted of a(More)
Vitamin D deficiency is very common in non-western immigrants. In this randomized clinical trial, vitamin D 800 IU/day or 100,000 IU/3 months were compared with advised sunlight exposure. Vitamin D supplementation was more effective than advised sunlight exposure in improving vitamin D status and lowering parathyroid hormone levels. Vitamin D deficiency(More)
  • 1