Teenage substance abuse? Here is Iceland's answer to it. And it works, so why don't we adopt it?

Teenage substance abuse? Here is Iceland's answer to it. And it works, so why don't we adopt it?

Iceland knows how to stop teenage substance abuse. Smoking, drinking and drug use have been radically cut in the past 20 years. Emma Young finds out how they did it, and why other countries won’t follow suit.

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