Alcoholic IntoxicationAlcohol DrinkingHeadache Disorders, SecondaryAlcoholsEthanolAlcohol-Induced DisordersAlcoholic BeveragesSeverity of Illness IndexHydroxytryptopholCentral Nervous System DepressantsAlcohol-Related DisordersChlormezanoneFlushingThirstChlormethiazoleTemazepamAlcohol DehydrogenaseAlcoholismStudentsHeadacheHeadache DisordersDrinking Behavior