Last month, I decided to explore the issue of performance enhancement in elite sport, focusing solely on so-called able-bodied athletes.

With the second of Rio s 2016 Games in full swing and Team GB once again doing phenomenally well, I got in touch with the University of Birmingham s Dr Ian Boardley and Loughborough University s Dr Paul Sherratt, keen to learn more about the slightly murkier side of the Paralympics.

If you consider the mechanical doping issue, there is far more money available and at stake in say, the Tour de France than there is in Paralympic cycling.

Jonnie Peacock didn t run on carbon fibre blades until well into his teens and Liam Malone had to ask the New Zealand public to crowdfund his blades – these are both Olympic champions at the pinnacle of the sport!

However, Boardley admits that the situation isn t black and white.

It s another point echoed by Sherratt, who introduces me to the head-splitting minefield that is classification.

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