Could a gut bacterium boost athletic performance?
Fifteen marathon runners walked into a bathroom .Out came what researchers identified this week as an inside scoop into their impressive energy and performance , New Scientist reports .Stool samples from the runners , taken 1 week after the 2015 Boston Marathon , revealed a spike in levels of a bacterium linked to the breakdown of lactic acid , which builds up in muscles and causes fatigue and spreness after intense exercise Researchers then introduced the bacterium ,Veillonella , into the colons of 16 mice .To their surprise , the rodents lasted 13 % longer on a laboratory treadmill than nice without the infusion , the researchers reporting Nature Medicine .Though the discovery could one day lead to performance - boosting supplements , researchers caution there ' s no causal link yet between the bacterium and athletic performance .
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