Users of wearable fitness trackers are making unnecessary journeys to their GPs and local hospitals because of unfounded concerns about their heart rates doctors have warned. To discuss we heard from by Dr Dermot McCaffrey, Consultant cardiologist at the Beacon Hospital in Dublin. Listen and subscribe to Newstalk Breakfast on Apple Podcasts or Spotify. Download, listen and subscribe on the Newstalk App. You can also listen to Newstalk live on newstalk.com or on Alexa, by adding the Newstalk skill and asking: 'Alexa, play Newstalk'.