But the central doping use may result in serious adverse reactions, or even deadly, so health Canada warns customer, these products use authorized didn't gain.

但这种中枢兴奋剂使用可能导致严重，甚至致命的不良反应，因此加拿大卫生部提醒消费者，这些产品并未获得使用授权。

youdao

So, given this reality, what is our beef with steroid use in baseball, blood doping in cycling, or dropping weight to climb hard?

所以，鉴于这个事实，对于棒球比赛里使用的类固醇，自行车赛上的增血或者攀岩上的减重，我们到底在发什么牢骚呢？

youdao

One factor is the use of performance-enhancing drugs, or "doping".

其中一个因素是使用性能违禁药物，或“兴奋剂”。

youdao

By the nineteen-twenties, sports organizations were attempting to stop the use of doping substances.

VOA: special.2011.04.12

No countries have been more critical of doping and steroid use in swimming than the U.S. and Australia -- especially when it comes to China, a newly emerged power in the sport.

CNN: Double Standard

Cofidis, a professional cycling team, said its cyclist Remy di Gregorio "had allegedly attempted to resort to the use of doping substances to improve his performance" and therefore it was suspending him as a precaution.

CNN: French Tour de France cyclist arrested amid doping claims

Mr. Armstrong was stripped of his titles last year after the U.S. Anti-Doping Agency, which polices drug use in American sports, initiated formal charges against him for allegedly conspiring to run an organized doping program aimed at dominating the Tour de France.

WSJ: Armstrong Is Sued Over Prize Money