Vitamin D status in human populations has become a matter of great concern, in the wake of
a multitude of published works that document widespread vitamin D deficiency across …

Vitamin D status is highly different in various countries of Europe, the Middle East and Asia.
For this review, vitamin D deficiency is defined as serum 25-hydroxyvitamin D (25 (OH) D)< …

There are many risk factors for Vitamin D deficiency. This study aimed to compare the
Vitamin D status and serum 25 (OH) D concentrations of adults living in an urban area to …

Purpose Despite an acknowledged dearth of data on serum 25-hydroxyvitamin D (25 (OH)
D) concentrations from Southern European countries, inter-country comparison is hampered …

Objective Because we found higher serum 25-hydroxyvitamin D (25 (OH) D) levels among
smokers than among non-smokers with analyses using an electrochemiluminescence …

OBJECTIVE: The determination of the normal range of 25-hydroxyvitamin D [25-(OH) D],
though currently based on suppression of PTH levels, still remains a controversial issue. The …

OBJECTIVE: Hypovitaminosis D is prevalent in epidemic proportions in many developed
countries. The aim of this study is to investigate the prevalence of adequate 25 …

Summary Background & aims Serum 25 (OH) D deficiency is becoming an epidemic. The
aim was to assess vitamin D status of the adult Greek population in relation to intake, sun …

Vitamin D deficiency is a global problem, thought to be related to lack of sunlight exposure,
and usually accompanied by reduced dietary intake. This study was designed to determine …

Little published information is available regarding epidemiological data on vitamin D status
in the large geographical region of Central Europe (CE). We searched the journal literature …