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can alcohol blackouts cause brain damage

What Happens When You Blackout From Alcohol?

What Is An Alcohol Blackout? Alcohol backouts tend to begin at blood alcohol concentrations (BACs) of about 0.16 percent (nearly twice the legal driving limit) and higher. At these BACs, most cognitive abilities (e.g., impulse control, attention, judgment, and decision-making) are significantly impaired. The level of impairment that occurs at such high BACs makes the intoxication level associated with blackouts especially dangerous. Blackouts are more likely when BACs rise very quickly—that is, usually when people drink on an empty stomach or when they engage in “shotgunning” (taking a drink from a bottle that’s already open). Getting into an Alcohol Blackout doesn’t necessarily mean that a person is unconscious or went to sleep because of too much alcohol consumption. People often continue to interact with others, engage in routine or potentially dangerous behaviors, and even continue to drink. People who black out may drive themselves home, engage in a sexual encounter, destroy property, spend too much money, or choose other risky behaviors. People who have alcohol blackouts are more likely to physically injure themselves. They have also been known to walk home, brush their teeth, eat meals, or go through other normal behaviors. They do not remember these behaviors because their…