Taking minimal or large quantity of alcohol tends to affect the body in such a way that metabolism is complicated. At such a host of diseases can result from prolonged alcoholism.

Some of them include:
1. Diabetes Mellitus : Alcohol is break down to sugar at the end and this can lead to diabetes Type 2

2. Cancer  such as Breast cancer, liver cancer, colorectal cancer, oesophagus cancer etc. : Growth of abnormal cells may occur when the body refuses to break down toxins contained in alcohol.

3. Cardiovascular problems such as high blood pressure

 4. Pancreatitis : Pancreas aids in breaking down food however in chronic alcoholism there might be cases of inflammation of the pancreas known as pancreatitis.

5. Mental illness : Alcohol is a depressant hence taking it can further tamper with your head and reasoning.

Sources:

https://www.aspenridgerecoverycenters.com/list-of-diseases-caused-by-alcohol-5/

https://www.medicalnewstoday.com/articles/297734

https://www.mayoclinic.org/diseases-conditions/alcohol-use-disorder/symptoms-causes/syc-20369243

https://www.who.int/news-room/fact-sheets/detail/alcohol