👉 Rarety is a medical concept in which a patient's symptoms are so severe or persistent that they interfere with their daily functioning, quality of life, and overall health. It is often used to describe conditions where the severity of symptoms can be attributed to an underlying illness or condition, such as cancer, heart disease, or neurological disorders. Rarety can vary widely depending on the specific patient and their medical history, but it generally refers to a set of symptoms that are so severe and persistent that they significantly