Headache, vomiting, blurry vision and alterated personality are four common effects of alcohol. The 2 first ones occur hours after the intaje, the 2 last ones occur a little after and during the intake.
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To add to previous comments: Alcohol poisoning , Impairment such as judgment, slurred speech, drowsiness, coma, blackouts. Additional factors include decrease in physical health, liver damage, cancers, high blood pressure, and stroke.
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