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The problems caused by excessive alcohol consumption begin at a young age. So do, tragically, overdoses from drugs, and increasingly, drug addiction in general. In Japan, it's illegal to use drugs. But a recent study there has found that what really contributes to abstinence is residential treatment (something many parents wish they could afford for their children) and the cessation has resulted in increased abstinence rates from drugs in general.
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Alison Knopf (2024) studied this question.
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