Marginal Vitamin Deficiency: The "Gray Area" of Nutrition
ثبت نشده
چکیده
• Is there a state of optimal nutrition beyond what is commonly accepted as adequate nutrition? • Does marginal vitamin deficiency have any clinical significance? • Can nutritional status affect behavior and personality? • Can vague symptoms such as irritability, insomnia, and lethargy be caused by vitamin depletion? • Are marginal deficiencies a widespread problem? At what point does such a problem merit consideration as a public health problem?
منابع مشابه
The Epidemic of Poor Vitamin D Status among 9-12 Years Old Children in Tehran, 2008, Using HPLC: Need for an Urgent Action
Background and Objectives: Vitamin D deficiency/insufficiency is a global health problem. The importance of this problem is doubled in growing children because of their increased need for skeletal growth. This investigation was performed firstly to assess vitamin D status, and secondly to examine its possible relationship with sex, residing area and duration of sun exposure in 9-12 years old ch...
متن کاملIron status in rats fed on diets containing marginal amounts of vitamin A.
Severe vitamin A deficiency in rats is known to cause anaemia associated with growth retardation and impaired water retention. However, study of the effect of marginal vitamin A intake is of more interest because such intake may mirror the situation in humans in many developing countries. Therefore, in two experiments, the effect of marginal vitamin A deficiency on Fe status was investigated in...
متن کاملThe relationship between environmental factors and the prevalence of vitamin D deficiency in Iran
Vitamin D deficiency is one of the major health problems that is unexpectedly prevalent in Iran. The ultraviolet (UV) rays of the sunlight are the most important source of vitamin D in humans. In contrast, environmental factors are one of the reasons for decrease in UV transmission to the earth which results in the reduction of vitamin D absorption. Since the role of environmental factors has b...
متن کاملVitamin B12 serostatus in Colombian children and adult women: results from a nationally representative survey.
OBJECTIVE Vitamin B12 deficiency is associated with many adverse health outcomes and is highly prevalent worldwide. The present study assesses the prevalence of vitamin B12 deficiency and marginal deficiency in Colombian children and women and examines the sociodemographic correlates of serum vitamin B12 concentrations in these groups. DESIGN Cross-sectional, nationally representative survey....
متن کاملAnthropometric and Micronutrient Status of School-Children in an Urban West Africa Setting: A Cross-Sectional Study in Dakar (Senegal)
BACKGROUND Urban areas in West Africa are not immune to undernutrition with recent urbanization and high food prices being important factors. School children often have a poor nutritional status, potentially affecting their health and schooling performance. Yet, generally school children do not benefit from nutrition programs. The objective of the study was to assess the anthropometric and micr...
متن کامل