The answer of this question is found in the motives, what's behind.
In some cold cold regions, a glass of herbal strong liquor is used not only to warm up, but also as a natural remedy for some diseases.
Eating with wine is customary in some families, even children have their own small glasses for wine, this is done as part of the meal.
The use of alcohol is bad when it's used for the bad reasons, like when it's used in parties to "have fun", when it's used to enjoy it's effects, and "relax" "feel better after a loss" "forget a difficult thing", etc..
When someone becomes addicted to alcohol, even if the person does not get "lost", he is not allowed to receive communion, until he stops the vice, as this is considered a bad habit.
According to tradition, smoking is forbidden by the Church, and a smoker can never become a bishop, a priest, a monk, not even a chantor. If a person during his catecumenate does not stop smoking, he is unlikely to be blessed to accept the Holy Baptism.
Any person who smokes can not receive the communion until he stops smoking, for smoking is considered a vice, and a way of legal substance abuse or even drug addiction.