BBC: Vitamin A treatment trial for Covid loss of smell

BBC: Vitamin A treatment trial for Covid loss of smell. “Vitamin A nasal drops might be able to treat the loss or altered sense of smell in some people who have had Covid, UK researchers say. The University of East Anglia is conducting a 12-week trial. Only some of the volunteer patients will receive the treatment but all will be asked to sniff powerful odours such as rotten eggs and roses.”

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