Original sentence: Absent serious head injuries, stroke, and tumors, the recurring severity of the pain indicates a vascular headache rather than a tension headache.Migraine  is a neurological disease, of which the most common symptom is an intense and disabling episodic headache.Migraine headaches are usually characterized by severe pain on one or both sides of the head.Migraines are a frustrating chronic illness which is widespread in the population (10% diagnosed, 5% undiagnosed), with seriousness varying from a rare annoyance to a life-threatening daily experience.Migraines are often accompanied by photophobia (hypersensitivity to light), phonophobia (hypersensitivity to sound) and nausea.Periodic or unpredictable disability can cause impoverishment due to patients' inability to work enough or to hold a job at all.Treatments are typically expensive
Edited sentence: Approximately one third of people who experience migraine get a preceding aura.In the USA 18% of women and 6% of men report have has at least one migraine episode in the previous year Periodic or unpredictable disability can cause impoverishment due to patients' inability to work enough or to hold a job at all.Migraine  is a neurological disorder,.Migraine  is widespread in the population.Typically people who experience migraine describe episode of severe or moderate headache (which is often one-sided and pulsating) lasting for between several hours to three days, accompanied by gastrointestinal upsets, such as nausea and vomiting, and during which they avoid bright lights (photophobia) and noise(phonophobia)