👉 An idiopathic disease is a type of disease that has no known cause or etiology. It involves an abnormal or maladaptive response to a specific stimulus, such as infection, trauma, or environmental factors. In other words, an "idiopathic" disease refers to a disease that occurs because the body's immune system was designed to respond to a particular pathogen (in this case, an infection), but it does not recognize or attack the pathogen. Instead, the immune system mistakenly attacks healthy
