Alcohol : good or bad?

[AYPforum]

What are the effects of alcohol/tobacco/drugs on my practices? -
While they are not "forbidden," they do tend to throw more mud on the window we are trying to clean, by dulling our senses.
Read more in lesson 29:
Lesson 29; Meditation Q&A – Alcohol, tobacco and drugs

and they are discussed in the forums here:

Wine / Alcohol
Tobacco
drugs, depression, and yoga
Drugs for expanding consciousness and reaching god