SHOULD YOU REALLY WEAR A MASK? After A-lister, Matthew McConaughey, toured the media circuit with his “mandatory masks” message, many still question if wearing a mask helps stop Coronavirus.Top Microbiologist and Immunologist from Ireland, Dolores Cahill, PhD weighs in with some VERY definitive answers.No, wearing a mask causes harm and does nothing to stop a corona virus, also social distancing has no proven benefit.