Alcohol can produce detectable impairments in memory after only a few drinks and, as the amount of alcohol increases, so does the degree of impairment. Large quantities of alcohol, especially when consumed quickly and on an empty stomach, can produce a blackout, or an interval of time for which the intoxicated person cannot recall key details of events, or even entire events. - [Read more]

Acute and chronic alcohol consumption can have both subtle as well as dramatic effects on the brain and its functioning. The effects of alcohol on the brain can occur by both direct and indirect means. Thus, it is not really necessary that the alcohol actually reach the brain, though it does, for brain function to be modified. - [Read more]