Introduction You've put it down to a busy week. A bad night's sleep. Sitting at a desk too long. Too much screen time. Not enough water. There is always a reasonable explanation for each symptom in isolation. The headache. The tight shoulders. The stomach that has been unsettled for weeks. The exhaustion that arrives even on days when you haven't done very much at all. And because each symptom has a plausible physical explanation, the possibility that something else might be

Introduction You've checked your heart. You've Googled the symptoms. You've convinced yourself something is medically wrong and then the tests come back normal, and you're left with the same racing pulse, the same tight chest, the same nausea that arrives without warning, and no explanation that makes sense. This is one of the most disorienting experiences of living with anxiety: the symptoms are unmistakably physical, and yet no physical cause can be found. Which leaves many