Forty-two athletes, including swimmers, weightlifters and sprinters, will compete in Las Vegas on Sunday in the first Enhanced Games.Little in sport has “caused as much controversy – nor provoked as many questions – as the Enhanced Games”, said BBC sports editor Dan Roan. “Those behind it claim it is here to stay, and could soon expand to more events and other disciplines.”A free daily email with the biggest news stories of the day – and the best features from TheWeek.com

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