So how may additional daylight curb COVID-19?
In keeping with Weller’s group, one potential rationalization is that solar publicity causes the pores and skin to launch a chemical known as nitric oxide. Some laboratory research have discovered that nitric oxide might cut back the flexibility of the brand new coronavirus to duplicate and unfold. The examine authors are planning to follow-up with extra analysis concerning this principle.
Earlier analysis by the identical group discovered that elevated daylight publicity is related to higher coronary heart well being, decrease blood stress and fewer coronary heart assaults. Coronary heart illness is a recognized threat think about dying from COVID-19, in order that previous analysis might additionally assist clarify the brand new findings, they steered.
Two COVID-19 consultants in the US agreed that the findings have been intriguing, however merited extra examine.
“The research does not establish a cause and effect, and represents an association at best,” harassed Dr. Robert Glatter, an emergency drugs doctor at Lenox Hill Hospital in New York Metropolis. He wasn’t shocked that vitamin D wasn’t credited with any well being profit.
“While there is evidence that vitamin D may have beneficial effects on immune function, a specific antiviral effect remains unproven at this time,” Glatter stated. “In fact, a randomized controlled study of people with moderate to severe COVID-19 who received high-dose vitamin D demonstrated no benefit.”
Dr. Amesh Adalja, senior scholar on the Johns Hopkins Heart for Well being Safety, in Baltimore, is an knowledgeable on viruses. He stated the analysis raises fascinating questions, however the nitric oxide speculation wants extra examine.
“Putting that link together to show the mechanism of how this is happening, I think that’s where you’d want to see this line of research go, in order to show that there’s also a vitamin D-independent benefit of sunlight,” Adalja stated.
The U.S. Facilities for Illness Management and Prevention has extra on COVID-19 prevention.
SOURCES: Amesh Adalja, MD, senior scholar, Heart for Well being Safety, Johns Hopkins Bloomberg Faculty of Public Well being, Baltimore; Robert Glatter, MD, emergency drugs doctor, Lenox Hill Hospital, New York Metropolis; British Journal of Dermatology, April 8, 2021;College of Edinburgh, news launch, April 8, 2021