to 50, up to four times as many women experience migraine attacks as men.

Signs and symptoms

Migraines typically present as recurrent, mostly one-sided, pulsating headaches, along with heightened sensitivity to light, sound, and other sensory stimuli. The severity of pain, duration of the headache, and frequency of attacks vary. Symptoms may last for hours or days, seriously affecting quality of life.

Migraine attacks can be described in terms of four stages or phases, which may not all be experienced. In addition,

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