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Connemara native and well known GP, Dr Maitiú Ó Tuathail, Medical Director of Heroes-Aid, has gained international media attention after posting a video on social media to debunk the myth that face masks lowers the wearer’s oxygen levels. Dr Ó Tuathail posted a video of himself to his Twitter page wearing six face masks while connected to a monitor displaying no change in his oxygen levels, to demonstrate that face masks have no effect on a wearer’s blood oxygen levels.