Vitamin D plays an essential role in maintaining bone density, building the immune system,
and regulating cell growth alongside other key biological functions. Limited data are …

Health educators in schools are a very important part of the education system. Considering
the significant prevalence of vitamin D deficiency in the Kingdom of Saudi Arabia, it is …

Tobacco smoke exposure is known to lower serum 25-hydroxyvitamin D (25 (OH) D)
concentrations. This study evaluated the association between passive smoking and vitamin …

The protection of Earth's stratospheric ozone (O3) is an ongoing process under the auspices
of the universally ratified Montreal Protocol and its Amendments and adjustments. A critical …

Nutrition is essential to sustaining the quality of life and a fundamental right of all people [1].
Yet, many nutrition practices, communications, research, and policies focus on the clinical …

Background: Several factors have been implicated in causing low levels of vitamin D, which
is an important hormone regulating the calcium homeostasis in the body. Aim of Study: To …

Vitamin D is an essential, fat-soluble micronutrient that is either naturally present in few
foods, added intentionally to some foods or found in dietary supplements. It plays numerous …

Дисертація на здобуття ступеня доктора філософії за спеціальністю 228–педіатрія
(галузь знань 22–охорона здоров'я).–Львівський національний медичний університет …