Definition: Angiostegnosis, also known as hypochondriasis or chronic pain syndromes, is an intense fear or irrational panic disorder characterized by chronic pain or discomfort. It can affect individuals in various ways, affecting physical health as well as mental well-being. The condition typically starts during childhood and affects a wide range of bodily systems, including the heart, lungs, bones, and digestive system. People with angiostegnosis may exhibit symptoms such as persistent, unexplained pain or uneasiness, which can be accompanied by sleep disturbances, irritability, and difficulty concentrating. This disorder often requires medical attention to manage chronic pain effectively.