Doping – The unlawful use of drugs to alter an athletes performance

(Pronounced doh-ping)

Dopey was clearly taking (doping) steroids. It was an unlawful use of drugs to alter his athletic performance.

Or:

That dope is clearly taking (doping) steroids. It was an unlawful use of drugs to alter his athletic performance.

Professional athletes of all kinds have regular blood tests to ensure they are not gaining an unfair advantage through the use of performance enhancing drugs. These include anabolic steroids and beta blockers.