Adult polyglucosan body disease (APBD) is a condition that affects the nervous system. People with APBD typically first experience signs and.
Adult polyglucosan body disease (APBD) is a rare, genetic disorder characterized by a deficiency of glycogen-branching enzyme, resulting in the accumulation.
Polymyositis most commonly affects adults in their 30s, 40s or 50s. The exact cause of polymyositis is unknown, but the disease shares many.
The condition can affect adults and children. In adults, dermatomyositis usually occurs from the late 40s to early 60s. In children, it most often.