Results 31 to 40 of about 23,771,109 (358)

Knowledge of the importance of Vitamin A and awareness of its deficiency among parents of preschool children: A hospital-based study

Journal of Clinical Ophthalmology and Research, 2023
Purpose: The prevalence of Vitamin A deficiency (VAD) is the highest in India among the South Asian countries. Suspected causes for this are insufficient dietary intake, lack of education, and a poor monitoring and surveillance system.
Samira Davalbhakta, Satish Shitole
doaj   +1 more source

Vitamin A and Pregnancy: A Narrative Review

Nutrients, 2019
Vitamin A is a crucial micronutrient for pregnant women and their fetuses. In addition to being essential for morphological and functional development and for ocular integrity, vitamin A exerts systemic effects on several fetal organs and on the fetal ...
Sabina Bastos Maia, A. S. Rolland Souza, Maria de Fátima Costa Caminha, Suzana Lins da Silva, Rachel de Sá Barreto Luna Callou Cruz, Camila Carvalho Dos Santos, M. Batista Filho   +6 more
semanticscholar   +1 more source

Mesopelagic Species and Their Potential Contribution to Food and Feed Security—A Case Study from Norway

Foods, 2020
The projected increase in global population will demand a major increase in global food production. There is a need for more biomass from the ocean as future food and feed, preferentially from lower trophic levels.
Anita R. Alvheim, Marian Kjellevold, Espen Strand, Monica Sanden, Martin Wiech   +4 more
doaj   +1 more source

Vitamin D Supplements and Prevention of Cancer and Cardiovascular Disease

New England Journal of Medicine, 2019
BACKGROUND It is unclear whether supplementation with vitamin D reduces the risk of cancer or cardiovascular disease, and data from randomized trials are limited.
J. Manson, N. Cook, I. Lee, W. Christen, S. Bassuk, S. Mora, Heike Gibson, D. Gordon, T. Copeland, Denise D’Agostino, G. Friedenberg, Claire Ridge, V. Bubes, E. Giovannucci, W. Willett, J. Buring   +15 more
semanticscholar   +1 more source

Vitamin D deficiency 2.0: an update on the current status worldwide

European Journal of Clinical Nutrition, 2020
Vitamin D testing and the use of vitamin D supplements have increased substantially in recent years. Currently, the role of vitamin D supplementation, and the optimal vitamin D dose and status, is a subject of debate, because large interventional studies
K. Amrein, Mario Scherkl, Magdalena Hoffmann, Stefan Neuwersch-Sommeregger, M. Köstenberger, Adelina Tmava Berisha, G. Martucci, S. Pilz, O. Malle   +8 more
semanticscholar   +1 more source

Dietary diversity and associated factors among infants and young children in three West African countries

Frontiers in Public Health
Providing children healthy diversified diets is important for their optimal growth and development. The high prevalence of under-nourishment during the critical early life period is of serious concern in West Africa.
Amynah Janmohamed, Melissa M. Baker, David Doledec, Fatou Ndiaye, Ahmenan Claude Liliane Konan, Amoakon Leonce, Koffi Landry Kouadio, Maguette Beye, Mohamed L. Yattara, Romance Dissieka   +9 more
doaj   +1 more source

Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data

British medical journal, 2017
Objectives To assess the overall effect of vitamin D supplementation on risk of acute respiratory tract infection, and to identify factors modifying this effect.
A. Martineau, David A. Jolliffe, R. Hooper, L. Greenberg, J. Aloia, P. Bergman, G. Dubnov-Raz, S. Esposito, D. Ganmaa, A. Ginde, E. Goodall, C. Grant, C. Griffiths, W. Janssens, I. Laaksi, S. Manaseki-Holland, D. Mauger, D. Murdoch, R. Neale, J. Rees, S. Simpson, I. Stelmach, G. Kumar, M. Urashima, C. Camargo   +24 more
semanticscholar   +1 more source

Decreased bioavailability of vitamin D in obesity.

American Journal of Clinical Nutrition, 2000
BACKGROUND Obesity is associated with vitamin D insufficiency and secondary hyperparathyroidism. OBJECTIVE This study assessed whether obesity alters the cutaneous production of vitamin D(3) (cholecalciferol) or the intestinal absorption of vitamin D(2)
J. Wortsman, L. Matsuoka, Tai C. Chen, Zhiren Lu, M. Holick   +4 more
semanticscholar   +1 more source

Effects of vitamin E and vitamin A supplementation on performance, thyroid status and serum concentrations of some metabolites and minerals in broilers reared under heat stress (32 degrees C)

Veterinární Medicína, 2001
An experiment on Cobb-500 male broilers was conducted to evaluate the effects of vitamin E (alfa-tocopherol-acetate), vitamin A (retinol), and their combination on broiler performance and serum concentrations of triiodothyronine (T3), thyroxine (T4 ...
N. Sahin, K. Sahin, O. Küçük
doaj   +1 more source

Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age.

Cochrane Database of Systematic Reviews, 2017
BACKGROUND Vitamin A deficiency (VAD) is a major public health problem in low- and middle-income countries, affecting 190 million children under five years of age and leading to many adverse health consequences, including death.
A. Imdad, E. Mayo-Wilson, K. Herzer, Z. Bhutta   +3 more
semanticscholar   +1 more source