World News – GB – High intakes of vitamins A, E and D « linked to less respiratory diseases »


High intakes of vitamins A, E and D are linked to less respiratory disease, experts have suggested, as they called for further research into their effect on the coronavirus

A new long-term study of 6,115 adults from 2008 suggests that taking vitamins through food or in supplement form may reduce the number of respiratory problems

It comes after Health Secretary Matt Hancock ordered a review of the use of vitamin D to prevent coronavirus after previously saying it appeared to have no effect

Participants in the latest study self-reported vitamin intake and any respiratory problems, instead of being diagnosed by a doctor

Complaints included chest coughs, as well as other long-term conditions such as chronic obstructive pulmonary disease and asthma

Overall, there were 33 cases of breathing problems, and researchers found that vitamin A and E intake from both diet and supplements was associated with a lower likelihood of them being reported

Vitamin D intake from supplements, but not from diet, was also associated with less breathing problems

Vitamin D is often referred to as the sunshine vitamin because between the end of March and the end of September, most people should be able to get all the vitamin D they need from the sun.

But between October and early March, people don’t get enough of it and the NHS says adults and children aged four and over should take a daily supplement containing 10 micrograms of vitamin D during that time

Researchers in the latest study, including from Imperial College London, the London School of Hygiene and Tropical Medicine, said: “It is estimated that around one-fifth of the UK’s general population is low vitamin D and more than 30% of people aged 65 and over do not meet the recommended dietary allowance

« Our results are consistent with the hypothesis that supplementation is essential to ensure maintenance of adequate vitamin D status and potentially indicate that vitamin D intake from diet alone may not help. to maintain adequate vitamin D status « 

The team said more research was needed « to assess the implications of the current study in the context of the current coronavirus pandemic »

Shane McAuliffe, scientific communications manager for the NNEdPro Nutrition and Covid-19 working group, which includes experts from the University of Cambridge, said: “While recognizing the limitations of this data, it adds further to a growing body of interest and evidence for the role of vitamin D in respiratory health

« Given our knowledge of the extent of vitamin D deficiency in the population, in balance with low cost and low risk of adverse events, it seems wise to provide supplementation with this key vitamin, especially for people most likely to be deficient « 

Professor Sumantra Ray, Executive Director of the NNEdPro Global Center for Nutrition and Health and Visiting Professor of Public Health at Imperial College London, said that “Micronutrient deficiencies are often overlooked as a key factor in malnutrition and an additional challenge during the Covid-19 pandemic ”

Vitamin A can be obtained in the diet from sources such as liver, whole milk, cheese, carrots, dark green leafy vegetables and orange colored fruits

Alternatively, researchers at Queen Mary University in London are currently conducting a study to find out whether correcting vitamin D deficiencies during the winter can reduce the risk and / or severity of Covid-19 and others acute respiratory infections

Vitamin D deficiency is more common in older people, overweight people, and blacks and Asians – all groups who are at increased risk of getting very sick with Covid-19

Lead researcher Professor Adrian Martineau, Queen Mary University in London, said: “There is growing evidence that vitamin D may reduce the risk of respiratory infections, with some recent studies suggesting that people with lower vitamin D levels may be more susceptible to coronavirus « 

In June, the National Institute for Excellence in Health and Care (Nice) reviewed five studies on the coronavirus and vitamin D and concluded that there was currently no evidence to support taking vitamin D supplements to reduce the risk or severity of Covid-19

Vitamin, vitamin A, respiratory diseases, vitamin D, coronavirus

World news – GB – High intakes of vitamins A, E and D « linked to less respiratory diseases »



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