In some countries, doctors prescribe clenbuterol as a treatment for asthma or breathing difficulties. It is banned for use in humans in the United States. Clenbuterol is a type of drug known as a beta ...

— -- Mexican superstar Canelo Alvarez, who is in training for his mega rematch with unified middleweight world champion Gennady Golovkin, has tested positive for the banned substance clenbuterol.

The illegal use of clenbuterol in livestock farming may affect the results of doping controls in sport, a new study concludes. The illegal use of clenbuterol in livestock farming may affect the ...

BULKING IS A long and arduous process. It takes years of hard work in the gym, and planning in the kitchen. It's only human nature to want to find a solution that makes growing muscle quicker and ...

The hotly anticipated middleweight title rematch between Canelo Alvarez and Gennady Golovkin, set for May 5 at T-Mobile Arena in Las Vegas, is in at least some jeopardy after Alvarez tested positive ...

This is believed to be the first U.S. positive for tulobuterol, a drug from the same family as clenbuterol and albuterol.

The Horseracing Integrity & Welfare Unit (HIWU), enforcement arm of the Horseracing Integrity and Safety Authority (HISA), has officially suspended trainer Phil Serpe for two years over a positive ...

GENEVA -- A majority of the players tested at the Under-17 World Cup in Mexico had traces of clenbuterol in their bodies because they ate contaminated meat, FIFA said Monday. Tests in Germany after ...

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Somewhere there is a racing world where horsemen use clenbuterol as a one-off treatment to clear up congestion in an ailing Thoroughbred. North American Thoroughbred racing in 2021 is not that world.