Kelly qualified from University College Dublin as a medical doctor in 1997, having previously completed a Bachelor of Commerce.
[8] She was the medical expert on Operation Transformation, a television series on RTÉ,[6] which won an IFTA in 2014,[9] and also on George Hook's lunchtime radio show on Newstalk.
[16] In November 2019, Vicky Phelan blasted Kelly over her writing about people affected by the CervicalCheck cancer scandal who sued.
[18] She discussed her diagnosis on Liveline, and Miriam O'Callaghan interviewed her for Prime Time through Skype from her home.
[21] She had continued to present the Monday and Tuesday editions of her programme, Lunchtime Live, from the hot press (a type of Irish cupboard or closet) in her home, and Mick Heaney of The Irish Times described her Wednesday programme as "a compelling show, remarkably so considering it was hosted by an ill woman sitting in an airing cupboard".