Epilepsy

A disorder in which nerve cell activity in the brain is disturbed, causing seizures.
Epilepsy may occur as a result of a genetic disorder or an acquired brain injury, such as a trauma or stroke.
== Symptoms ==
Whole body: Fainting or fatigue
Muscular: Rhythmic muscle contractions or muscle spasms
Sensory: Aura or pins and needles
Also common: Seizures, amnesia, anxiety, depression, headache, sleepiness, staring spells, or temporary paralysis after a seizure
== Rarity ==
Common
More than 200,000 US cases per year
Category:Nervous system
Category:Brain