Anecdotal evidence suggest that cold-turkey rehab doesn't work (https://www.quora.com/What-happens-to-heroin-addicts-when-they-quit-cold-turkey-and-why-is-it-so

Anecdotal evidence suggest that cold-turkey rehab doesn't work (https://www.quora.com/What-happens-to-heroin-addicts-when-they-quit-cold-turkey-and-why-is-it-so-unbearable https://www.quora.com/What-happens-to-heroin-addicts-when-th...). I'm sure there is more information and possibly even research papers to back this up. Perhaps someone more knowledgable in the field can provide this. However, from my POV, drug use is not just about a substance, but a life-style and emotional dependence. You can't just remove drugs and expect things to improve for a person, you need to provide holistic support - and let's face it, drug usage is an incredibly complex personal choice.