Witamin D in children population - benefits and threats

Introduction Nowadays, it has become fashionable to use dietary supplements containing large doses of vitamin D available without a prescription. In the case of children, dietary supplementation with a properly selected dose of vitamin D is extremely important and brings many benefits, of which it is important to prevent rickets in the pediatric population, attention is also drawn to its toxicity and consequences in the event of an overdose of vitamin D preparations, to which infants and young children are most exposed, examples of risks are hypercalcemia, hypercalciuria and nephrocalcinosis. The aim of the study Showing the benefits and dangers of vitamin D supplementation. Material and methods The research was conducted using PubMed articles and on: vitamin D supplementation in children, vitamin D overdose, vitamin D deficiency. Description of the state of knowledge Vitamin D is the generic name for ergocalciferol and cholecalciferol that we can find in foods, however, food and supplementation are not its only sources, it should be borne in mind that it is possible to synthesize vitamin D in the skin after exposure to ultraviolet reproduction (UV-B). The concentration of 25(OH)D in childhood serum is influenced by the amount and frequency of vitamin D consumed, sun exposure, body weight and body fat levels. The main risk of vitamin D deficiency in children is rickets and defromation of the osteoarticular system and metabolic disorders, and long-term use of its high doses can lead to hypercalcemia and nephrocalcinosis. Summary It is very important to educate parents about the importance of vitamin D supplementation in a dose properly selected for the newborn along with an explanation of the possible consequences of deficiency, as well as overdose

Iodine supplementation by women of childbearing potential and in pregnancies - analysis of knowledge among students

Introduction Iodine is necessary for the proper production of triiodothyronine and thyroxine, which affect the development and proper functioning of the body. Thyroid hormones are involved in the transformation of proteins, fats, carbohydrates and vitamins, and also regulate the processes of cell growth and maturation. Iodine deficiency during pregnancy has many consequences for the fetus and newborn, some of them an increased risk of miscarriage, stillbirth, birth defects or abnormal mental development. Iodine deficiency through lack of supplementation or deficiency in the daily diet, as well as the consumption of an excess amount of this microelement, may be associated with serious and irreversible consequences affecting the development and further functioning of the fetus. Aim of the study  Presentation of the impact of iodine supplementation in reproductive age and pregnancy on fetal development and students' knowledge of the need for this supplementation. Materials and method A survey of 404 students. The results were compared with the current scientific literature. Statistical analysis was performed using Microsoft Excel.   Results  In the study group, almost every third student believed that current recommendations recommend that women planning pregnancy should take iodine preparations. Every tenth student gave the correct dose of recommended supplementation of the microelement in question.   Conclusions Research shows that more than half of students are not aware of the need to supplement iodine at the reproductive age. The data indicate that young people should be made aware of the need for iodine supplementation