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I am interested in learning more about the different drug addiction programs. I know a lot of people that have dealt with this in their lives, and some are still in the middle of it. I would like to know the difference between each of the drug rehab programs. Do they all offer their own style when working with the same problems? Or do some of them have better doctors and staff working for them? I know that some of these programs are more expensive than others. Is there a such thing as a free rehab center, for those people who do not have money for the others?