Ashton Kutcher, who suffered temporary deafness and blindness due to a rare autoimmune disease, has said he is “lucky to be alive” now that he has recovered
Inflammation of blood vessels (such as arteries and veins) is collected under the umbrella term “vasculitis,” which describes a group of rare diseases with this symptom.
We still don’t know what causes vasculitis. Some forms are inherited, while others develop when the immune system mistakenly attacks blood vessel cells