early 15c., from Middle French lesion, from Latin laesionem (nominative laesio) injury, from past participle stem of laedere to strike, hurt, damage, of unknown origin. Originally with reference to any sort of hurt, whether physical or not.
Most migraines last about 4 hours, but severe ones can last up to a week. How often they happen differs for everyone, but itâs common to get two to four headaches per month. Some people may get migraines every few days, while others get them once or twice a year.
Migraine is a neurological disorder that causes recurring headaches ranging from moderate to high intensity. Typically it effects only one half of the head and can last from 2 hours to up to more than 2 days. When under a migraine attack, the sufferer may become extremely sensitive towards light or noise.