Adding a genetic edge could create new breed of cheating super athletes

Imagine someone who has the speed of Usain Bolt, the leap of NBA star LeBron James and the stamina of swimmer Sun Yang - he or she would be an athlete virtually unbeatable.

Yet the possibility is not so far-fetched, as scientists warn the development of gene technology poses a serious challenge to anti-doping efforts.

Gene doping is the non-therapeutic use of DNA to enhance performance, and according to experts, has the potential to create super athletes.