Being in Alcoholics Anonymous involves you admitting defeat to your alcoholism and embracing a higher power to help you through it.
I can only assume that Narcotics Anonymous works much the same way.
You would think that giving up personal control in this situation would be a terrible idea. Shows what we know...
In related news, there is an alternative called The Sinclair Method which uses an opiate antagonist in conjunction with continued drinking to reverse the endorphin conditioning that causes the addiction in the first place.
Cool! So a scientific-based method of quitting versus a religious method of quitting.
Guess which one I think is probably better for you!