India, May 27 -- The heart's rhythm can reveal a lot about your health. A steady heartbeat usually goes unnoticed because it feels natural and normal, but when the pulse becomes unusually slow, it may raise several doubts. While a low resting heart can mean good fitness in athletes and highly active people, the same may not always be true. So, why does heart rate slow down really? And can it become worrisome? If yes, then what are the signs?ALSO READ: Feeling unusually tired after walking or climbing stairs? Cardiologist explains what it could mean for your heartAddressing all the common doubts related to the heartbeat slowing down, Dr Girish Godbole, director and senior consultant, interventional cardiology at KIMS Hospital walked us thr...