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Why Sunshine Might Help Keep The Worst Of Covid-19 At Bay

Sunshine might play a key role in warding off the worst effects of Covid-19, according to a University of Edinburgh study.

The research, published in the British Journal of Dermatology, found increased exposure to the sun’s rays – specifically UVA – was associated with reduced deaths from the virus.

Researchers compared all recorded deaths from Covid-19 in the US from January to April 2020 with UV levels for 2,474 counties for the same time period.

They found that people living in areas with the highest level of exposure to UVA rays had a lower risk of dying from Covid-19 compared with those with lower levels. The results were the same in England and Italy, too.

The reduction in risk of death from Covid-19 could not be explained by higher levels of vitamin D, experts said – it was more likely to be as a result of the sun’s UV rays.

Dr Richard Weller, study author, consultant dermatologist and reader at the University of Edinburgh, said: “These early results open up sunlight exposure as one way of potentially reducing the risk of death.”



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