Vitamin A Deficiency News and Research

RSS

New research links cooking methods to better nutrient absorption

Researchers at the University of Seville's Food Colour and Quality Laboratory have studied the effects of different cooking methods used for tomatoes and carrots (in the oven, microwave or air fryer, amongst others) on the amount of carotenoids that are potentially available for absorption by the body following the digestion of these foods.

27 Mar 2026

Why measles remains one of the most contagious viral diseases worldwide

This review synthesizes current evidence on measles virus biology, immune responses, complications, treatments, and prevention strategies. It highlights how measles can suppress immune memory, increasing susceptibility to other infections, and underscores vaccination as the most effective control measure.

4 Mar 2026

Unveiling genetic links between schizophrenia and osteoporosis

A comprehensive genetic investigation led by Dr. Feng Liu at Tianjin Medical University General Hospital has uncovered striking molecular connections between schizophrenia and bone health, identifying 195 shared genetic loci that may explain why psychiatric patients face elevated fracture risks.

6 Jan 2026

Why the form of vitamin B12 you take may matter more than your intake

This comprehensive review examines vitamin B12 absorption, physiological roles, deficiency states, and dietary sources, with particular attention to differences between natural and synthetic forms. The authors conclude that while all B12 forms raise circulating levels, methylcobalamin may offer advantages in specific clinical contexts, especially where absorption or metabolic conversion is impaired.

10 Dec 2025

Which plant-based diet is healthiest and most sustainable

Vegan and vegetarian diets deliver nutrient adequacy on par with Mediterranean diets, while lowering carbon footprints and promoting environmental health.

13 Nov 2025

New study highlights the impact of pediatric integrative medicine services

A new study conducted by University Hospitals Connor Whole Health highlights the impact of pediatric integrative medicine services.

5 Nov 2025

Study finds clear link between osteomalacia and increased risk of complicated deliveries

A research team at Uppsala University has identified a clear link between osteomalacia – a form of bone softening commonly caused by vitamin D deficiency – and a fivefold increased risk of emergency cesarean sections or the need for vacuum-assisted delivery.

28 Oct 2025

Decline in vitamin D levels observed during the Covid-19 pandemic

Routine data from laboratories reveal a decline in vitamin D levels during the Covid-19 pandemic, especially in older women and urban dwellers.

21 Oct 2025

Thousands of ‘healthy’ Brits are unknowingly low on iron

A study reveals 6% of health-conscious UK adults have anemia, primarily due to iron deficiency, often without noticeable symptoms, especially in women.

9 Oct 2025

Japan's registry transforms outcomes for infants with biliary atresia

Biliary atresia (BA) is the leading cause of liver failure in infants, marked by progressive destruction of the bile ducts. Until the late 1950s, the disease was universally fatal, with no effective treatments. The development of the Kasai portoenterostomy brought new hope, but outcomes varied widely, and many patients still required liver transplantation (LTx).

8 Oct 2025

Hyperemesis gravidarum associated with increased neuropsychiatric disorders in pregnancy

The largest study on pregnant women with excessive nausea and vomiting (hyperemesis gravidarum) has identified increased risks of numerous neuropsychiatric and mental health outcomes.

18 Sep 2025

Vitamin D2 supplementation linked to decrease in natural vitamin D3 concentration

Taking vitamin D2 might lower the body's levels of the more efficient form of vitamin D, vitamin D3, according to new research from the University of Surrey, John Innes Centre and Quadram Institute Bioscience.

18 Sep 2025

Can saliva and tears replace blood tests for vitamin D and glucose?

Tears and saliva may offer new ways to monitor blood glucose and vitamin D levels, suggesting less invasive methods for managing chronic health conditions.

2 Sep 2025

Gut disorders forecast Alzheimer’s and Parkinson’s risk years before diagnosis

Study maps clinical, genetic, and proteomic links between gut-brain disorders and neurodegeneration, showing how diabetes, vitamin D deficiency, and bowel disorders forecast Alzheimer’s and Parkinson’s years in advance. Multimodal models in biobanks highlight early detection and personalized prevention opportunities.

28 Aug 2025

Majority of reproductive-aged women face modifiable risks linked to birth defects

An analysis using data from the National Health and Nutrition Examination Survey (NHANES) among 5,374 women of reproductive age indicates that two thirds of women within this demographic have at least one modifiable risk factor, such as low folate status or unmanaged diabetes, that can increase the chance of serious birth defects.

26 Aug 2025

Autism study shows vitamin D and iron deficiencies affect up to 40% of children

Researchers in Singapore found that 30–40% of children with autism spectrum disorder have vitamin D or iron deficiencies, regardless of eating habits. Age and ethnicity increased vitamin D risk, while picky eating was not a reliable predictor.

25 Aug 2025

Why zinc may be the missing nutrient in childhood asthma care

The role of zinc in childhood asthma is critical; deficiency may worsen symptoms, while supplementation could provide a safe, effective treatment alternative.

19 Aug 2025

High-dose vitamin D strengthens bones in very low birth weight infants

Research indicates that high-dose vitamin D improves bone health in very low birth weight preterm infants, highlighting its role in early development.

8 Aug 2025

New research unveils vast influence of B vitamins on health and disease

Eight essential nutrients make up the suite of B vitamins also known as the B complex. Researchers from Tufts University and elsewhere have revealed that these B vitamins influence a vast spectrum of human health and disease, including cognitive function, cardiovascular health, gastric bypass recovery, neural tube defects, and even cancer.

4 Aug 2025

Patients face vitamin deficiencies years after bariatric surgery

A review reveals dangerous vitamin deficiencies post-bariatric surgery, highlighting the need for improved follow-up to prevent life-threatening complications.

30 Jul 2025