What is addiction? It's a word we all use, but how much do we really know about it? And what's it like to be seriously addicted to something?
We look at the physical and mental health issues that surround addiction, focusing on alcohol, cannabis and heroin. There's essential information on drugs law, and resources to follow up for further advice and information. A variety of people tell their own stories, including a heavy cannabis smoker, a policeman faced with binge drinkers, and an ex-heroin user who's been through rehab.
 What is addiction?
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 Heroin
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 Alcohol
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 Cannabis
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 Debate
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 Your opinions and experiences
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