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    One man's road from heroin to hope

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One man's road from heroin to hope

In part 3 of his investigation into the rise of heroin use , CNN's Sanjay Gupta shares one man's struggle on the long road to recovery from addiction.

One man's road from heroin to hope

In part 3 of his investigation into the rise of heroin use , CNN's Sanjay Gupta shares one man's struggle on the long road to recovery from addiction.