Shannon Courtenay's incredible boxing transformation

Shannon Courtenay struggled with addiction issues in her younger years until finding her way into boxing and, after only eight professional fights, became the WBA bantamweight champion.

As part of our Born To Brawl series, she tells her incredible story. If you have been affected by anything you have seen in this video, visit BBC Action Line.

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Shannon Courtenay: From binge drinking and obesity to world champion