Objectives Older people are recommended to take oral vitamin D supplements, but the main
source of vitamin D is sunlight. Our aim was to explore whether active encouragement to …

Sunlight exposure by improving vitamin D status could be a simple public health strategy in
reducing falls among frail elder people. In a randomised controlled trial, adherence to …

Background: Elderly people are considered to be in the risk group for vitamin D deficiency.
The aim of the present study was to determine the effect of nursing interventions and …

ObjectivePoor nutrition and limited sunlight exposure (season) can be related to reduced
serum 25-hydroxyvitamin D (25 (OH) D) concentrations. Thus, elderly people in the Nordic …

Background: in older people, induction of cutaneous vitamin D production by ultraviolet B
(UVB) exposure may be preferable to oral supplementation: it cannot cause toxic levels, it …

Background Determinants of vitamin D status measured as 25-OH-vitamin D in blood are
exposure to sunlight and intake of vitamin D through food and supplements. It is unclear how …

Background: Limited research has been conducted in the United States in which exposure
to solar UVB light is studied in a natural setting as a strategy to improve vitamin D status in …

Background: Seasonal Affective Disorder (SAD) is a sub-type of depression that only occurs
during the winter months. A reduction in vitamin D may be linked to SAD. Since vitamin D …

Background Optimal vitamin D status is important for overall health and well-being,
particularly in the elderly. Although vitamin D synthesis in the skin declines with age …

Background: Vitamin D is produced endogenously after sun exposure but can also be
obtained from natural food sources, food fortification, and dietary supplements. Objective …