Olympic genes to go higher, faster, stronger?

A scientist examining DNA sequences on a screen.
Elite athletes are, almost by definition, genetic anomalies. But what genes allow them to succeed - and could they be used to cheat? Credit: Andrew Brookes / Getty Images

Sports doping experts have been sounding warnings about gene engineering for decades, and its dire implications for clean competition. With the Tokyo Olympics around the corner, Professor David Bishop wonders if gene doping really is sport’s Next Big Thing.

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