Acute disseminated encephalomyelitis (ADEM) involves a brief but intense attack of inflammation (swelling) in the brain and spinal cord that damages the brain's myelin.
Acute necrotizing encephalopathy (ANE) is a rare but serious condition that causes brain damage following a viral infection, most often influenza (the flu).
Multiple sclerosis (MS) is when the body's immune system reacts against the central nervous system (CNS), which includes the brain, spinal cord, and optic nerves.
