Is there a new implant treatment to stop drug addiction, specifically ectasy or meth?

My son said his friend who is supposedly addicted to ectasy will be getting an implant placed right under the skin. If he takes ectasy again, he will not be affected by the drug at all…..I told him I didn’t believe such a thing exists. If it were true, I’d sure we’d all know about this. Anyone ever hear such a thing?

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