They strongly object to criminal penalties for drug-addicted pregnant women, favouring rehabilitation instead.

ECONOMIST: Abortion

But he said that the reasons for humans becoming addicted to any drug were more complex than simply their genetic make-up, and that a test for any gene uncovered by further research would not necessarily work.

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He noted that 4% to 6% of children become addicted to gambling, and that it has been linked with other high-risk behaviors, including drug use.

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