Nutrition supplement drug blamed for runner's death

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A now banned drug in a sports nutrition supplement was a factor in the death of a runner during the London Marathon, a coroner has ruled.

Claire Squires, 30, of Leicestershire, collapsed and died on the final stretch of the 26.2-mile course last April.

The coroner said she died of cardiac failure caused by extreme exertion, complicated by DMAA toxicity.

Daniela Relph reports.

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