You’ve likely felt your heart beating in your chest after strenuous activity — or have taken your pulse by placing your fingers on your wrist or neck. A less common — and sometimes startling — ...

Imagine sitting in a quiet room, trying to focus or relax, when you suddenly start to hear a rhythmic thumping or pulsating sound in your ears. It almost feels like you can hear your own heart beating ...

Most nights as he lies down to sleep, Matt Ridout is overwhelmed by distracting noises – all of them inside his head. These include the whooshing sound of his heartbeat, a pulse in his ears, a ...