Vitamin A Deficiency News and Research

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New study shows why breastfeeding and fortified foods must go hand in hand

Food fortification and breastfeeding play a crucial role in combating malnutrition during a child's first 1,000 days, but their success depends on improved monitoring, policy support, and public-private partnerships.

4 Mar 2025

Does a vegetarian diet help or harm your brain? Here’s what the science reveals

A recent study in Nutrients examines the effects of vegetarian and vegan diets on neurological health, highlighting both benefits and potential nutrient deficiencies that impact cognitive function.

3 Mar 2025

"Normal" vitamin B12 levels may not prevent brain decline

Researchers identify associations between B12 levels currently accepted as normal and markers of neurological injury or impairment.

24 Feb 2025

Children with ARFID at higher risk for long-term health conditions

Children with avoidant restrictive food intake disorder (ARFID) have an elevated risk of developing psychiatric and physical conditions, a new study from Karolinska Institutet published in JAMA Pediatrics reports.

17 Feb 2025

Low vitamin D in first trimester linked to higher preterm birth risk and reduced fetal length

Maternal vitamin D status in early pregnancy is crucial for fetal growth and may reduce the risk of preterm birth, according to recent research findings.

7 Feb 2025

Early pregnancy vitamin D deficiency increases risk of preterm birth

Low vitamin D levels in the first trimester of pregnancy are associated with higher rates of preterm birth and decreased fetal length, according to a new study led by researchers in the Penn State Department of Nutritional Sciences.

3 Feb 2025

Why Type 2 diabetes patients need more than just blood sugar monitoring

Nearly half of Type 2 diabetes patients suffer from micronutrient deficiencies, with vitamin D and magnesium being the most common, highlighting a critical gap in diabetes care.

28 Jan 2025

Maternal vitamin D deficiency may accelerate fetal aging and impact newborn health

Maternal vitamin D deficiency during pregnancy is linked to accelerated epigenetic gestational age in infants at birth, suggesting improper fetal development influenced by low vitamin D levels. The study also found associations between maternal age, birth height, and epigenetic aging, though cord blood vitamin D showed no significant impact.

22 Jan 2025

Study explores connection between greenspace and better health

Researchers from The University of Queensland are shining a light on the link between greenspace exposure and better health in the hope of influencing future urban greening policies.

22 Jan 2025

Unraveling the mystery of drug-induced liver injury

DILI is broadly categorized into intrinsic and idiosyncratic types. Intrinsic hepatotoxins, such as APAP, cause dose-dependent injury, while idiosyncratic DILI involves complex immune and metabolic interactions that remain poorly understood.

13 Dec 2024

New method uses lactic acid bacteria to produce vitamin B2

Many vitamins are produced in chemical factories, often synthetically, but researchers at the Technical University of Denmark have succeeded in developing a natural and simple method for producing vitamin B2: by gently heating lactic acid bacteria.

11 Dec 2024

Study finds no impact of high vitamin D doses on type 2 diabetes prevention

Using significantly higher doses of vitamin D than recommended for five years did not affect the incidence of type 2 diabetes in elderly men and women, according to a new study from the University of Eastern Finland.

3 Dec 2024

Experts evaluate plant-based diets for kids, urging nutritional care and supplementation

Plant-based diets for children and adolescents may offer health benefits but pose risks of nutritional deficiencies, requiring careful planning and professional oversight.

18 Nov 2024

Non-invasive, low-cost tool developed for assessing risk of vitamin D deficiency in young women

Vitamin D, an essential nutrient, is naturally produced through sun exposure and certain foods. However, excessive sunburn prevention measures are causing a severe problem of vitamin D deficiency, particularly among young women in Japan.

15 Nov 2024

Vitamin D may lower blood pressure in older people with obesity

Vitamin D3 supplementation with calcium reduces blood pressure in elderly, overweight individuals, particularly those with higher BMI and existing hypertension.

14 Nov 2024

Vitamin D receptor activation slows cell overgrowth in pulmonary hypertension

The study demonstrates that activating the vitamin D receptor (VDR) with calcitriol suppresses cell proliferation in pulmonary arterial smooth muscle cells, potentially reducing disease severity in pulmonary arterial hypertension (PAH).

12 Nov 2024

Vitamin D supplementation may decrease blood pressure in obese older adults

Vitamin D supplements may lower blood pressure in older people with obesity and taking more than the Institutes of Medicine's (IOM) recommended daily dose does not provide additional health benefits, according to new research published in the Journal of the Endocrine Society.

12 Nov 2024

Low vitamin D associated with increased depression risk in pregnancy and after birth

Research indicates that low vitamin D levels may contribute to anxiety and depression in pregnant women, emphasizing the importance of adequate supplementation.

29 Oct 2024

Scurvy may be making a comeback amid economic strain

The scourge of scurvy, which is caused by vitamin C deficiency, may be re-emerging amid the cost of living crisis and the rise in weight loss (bariatric) surgery, suggest doctors in the journal BMJ Case Reports after treating a middle-aged man with the condition.

22 Oct 2024

Can nori be a reliable vitamin B12 source for vegetarians?

A study shows that 5 g of nori per day improves vitamin B12 status in vegetarians, suggesting nori as an effective dietary source of this essential nutrient.

8 Oct 2024