In addition to its addictive properties alcohol can also cause or increase the risk of:
-Cancer
-Liver damage
-Brain damage
-Pancreatitis
-Diabetes
-Malnutrition
-Traumatic injury
-Erectile dysfunction
-Holiday heart syndrome
...and more!
In addition to this, there are several immediately life-threatening complications related to alcohol abuse, examples of these include:
-Bleeding varices (This is how most alcoholics die)
-Wernicke Korsakoff syndrome
-Delerium tremens
-Klebsiella pneumonia (multi-drug resistant bacterial infection that affects alcoholics more than the general population, very fatal even with antibiotics)

And remember no tissue is exempt from the effects of alcohol and no amount of alcohol is safe.