A new performance enhancer for athletes boosts the brain—and is completely undetectable

Doping in professional sport is a cat-and-mouse game. The World Anti-Doping Agency (WADA) bans a performance-enhancing drug, and athletes go on the hunt to find a new one. So what if there was an undetectable performance-enhancing method? That’s the promise Halo Neuroscience is making. It has built a device that looks like a set of headphones, which sends electrical current through the scalp to stimulate certain areas of the brain. The claim is that the device helps build new neural connections as the athletes learn a skill. The company also claims to have run a small randomized-control trial, where four athletes wearing the device received electrical stimulation, while three others didn’t. The experiment reportedly showed improvement in those who wore the device. The athletes’ co-ordination was 80% better than the…


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