Some enthusiasts combine their interest in trains with the hobby of monitoring radio communications, specializing in listening to radio communications of railroad operations using a scanner.
Ocular Citatrical Pemphigoid/Mucous Membrane Pemphigoid. Mucous membrane pemphigoid (MMP) is a rare, inflammatory autoimmune disorder characterized by blistering lesions that affect the mucous membranes of the body, especially the mouth and the eyes. Typical symptoms include redness, pain, tearing, and sensitivity to light.
Pemphigus Vulgaris. Pemphigus encompasses a group of auto-immune blistering diseases of the skin and mucous membranes. Included in this group is pemphigus vulgaris, a bullous disease involving the skin and mucous membranes, which may be fatal if not treated with appropriate immunosuppressive agents.