Now devices like Fitbit have developed far beyond this and can provide real insight into the wearer’s cardiovascular health, helping people track their heart rate, sleep, mental wellbeing, activity, and more.
New health features could even help assess and detect the onset of atrial fibrillation, which increases your stroke risk.
Louise Minchin spoke to Dr Kapil Parakh, Medical Lead at Fitbit and Practising Cardiologist, and Dr Susan Connolly, Consultant Cardiologist at University Hospital Galway, to discuss this further.
Watch the full Health at Heart programme (newscientist.com)