A new study attributes the link between tau protein clumping and brain damage in Alzheimer's disease to brain immune cells called microglia.
Post-viral syndrome, or post-viral fatigue, refers to tiredness or weakness that lingers after a person fights off a viral infection. Learn more here.
The cranial nerves are a set of twelve nerves that originate in the brain. Each has a different function for sense or movement. Learn more here.