Abstract : This study is based on the trend of alcohol consumption that makes an impact on the brain and other functions of the body. It has been seen that excessive consumption of alcohol make huge effects on the brain and nervous system. It can be responsible for memory loss, anxiety dementia, and other brain-related issues. On the other hand, these actions also increase the chemical reaction of the body which affects the general function of the body and increases the disease. This kind of disease also may occur in dementia. Psychological disorder is one of the most dangerous diseases for individuals who are intaking alcohol for a long time. There is various reason for growing the trends of alcohol such as toxic environment, anxiety, depression, and other kinds of situations. This study has also shed light on the connection between alcohol consumption and dementia. In this section, it has been seen that high levels of consuming alcohol make an impact on the neurons and nervous system, and sometimes it can be responsible for the missing signaling function between the cell and also hampers the reaction of nerves and other activities. It helps to injure the activity of brain nerves. This study has used a secondary qualitative method to continue the data collection process. It helps to gather a huge of knowledge on the subject matter. Accordingly, it can be said that this process also makes an impact on the entire research and achieves the desired result from the study

Keywords : alcohol consumption, Dementia, nervous system, obsessive-compulsive disorder, Wernicke-Korsakoff Syndrome