Thanks for asking me this question.
Yes long time alcohol drinking may cause many problems like
stomach irritation. ...pancreas can affect.....most commonly affected liver more.
Chronic alcohol consumption suppress the immune system.
So Chances of infection is more .
Chronic alcohol consuption cause
gastritis most commonly.
Severe
abdominal pain and watery diarrhea most common problems.
More alcohols drinking may cause
acid reflux disease and more chanses of peptic ulce .
Drinking alcohols may cause decrese
digestive enzyme and decrese absoption of vitamins plus minerals.
Drinking may worsen the irritable bowel disease.
so drinking is damage the digestive systems also.
Try to stop this habit because in future it cause problem for you.
Take care.
Thanks.