Alcoholic beverages consumed fast over a short period of time tend to cause a myriad of different acute responses in various parts of the body . After the first drink the first organ affected is the liver . The liver kicks into full swing trying to eliminate all the ethanol which is poisonous to the body .Despite the liver working at full capacity , most people drink more than 1 standard drink per hour on an average night out , this means their BAC or blood alcohol concentration will rise and take effect on their mind and body .
At a low BAC called the euphoria stage, most people feel increased confidence, self esteem and happiness . At this stage the body is starting to feel the effects of alcohol and they would seem to be the life of the party . The alcohol has started to affect the cerebral cortex which controls processing of information and voluntary muscle movements and the limbic system which controls emotions and memory . Other signs are poor decision making and a shortened attention span .
When they have reached the next bracket of intoxication between 0.09 and 0.25 BAC they may start to show more signs of intoxication and these signs will be more pronounced . The person may feel sleepy because alcohol is a depressant , it depresses the function of their central nervous system . The central nervous system is responsible for sending and receiving messages , alcohol blocks some of these messages , therefore you see this as sluggish unresponsive behaviour. When the blood alcohol concentration is this high , the cerebellum is affected. This is evident in the persons lack of ability to walk straight or stay balanced .
Finally the last three stages of intoxication are the most serious and are the most dangerous , at a BAC between 0.18 and 0.30 the person shouldn’t drink anymore alcohol . They will become very aggressive and emotional . These two emotions can cause them to get into unfavourable situations like fights or arguments but by this stage the persons body is relatively free from serious failures internally . If they do decide to drink more and their blood alcohol concentration is above 0.3 they may enter a coma , stop responding to stimuli , vomit or go in and out of consciousness. Anymore alcohol and they will be at a very high risk of death .over 0.5 BAC the medulla which controls breathing and heart beats , has been compromised by alcohol meaning the person will almost certainly stop breathing and their heart will stop .
The morning after a big night of drinking most people feel the after affects of the toxins their body has accumulated over the night . generally the larger the amount of alcohol the larger the Hangover .