Brooklyn's Serrano (37-1-1, 27 KOs), 30, who has known and been friendly with Hardy for many years, lashed out at her in response to her comments. Clinical – AAS is associated with polycythaemia; – rhEPO associated with increased RBC mass greater than the plasma volume, leading to an increase in haematocrit with some examples demonstrating HCTs >50% and increased reticulocytes

Media reports related to the 1984 Olympic games suggest that some athletes were given instructions on how to evade drug tests for anabolic steroids In a country renowned for producing great sprinters, Campbell-Brown is one of the best ever," said BBC Radio 5 live's athletics correspondent Mike Costello. She's twice won Olympic gold over 200m and world titles over 100m and 200m, but now her reputation has been shredded and the damage done to the credibility of Jamaican athletics in general is extensive. Desoxymethyltestosterone (17α-methyl-5α- androst-2-en-17β-ol and 17α-methyl-5α- androst-3-en-17β-ol) Former women's featherweight world titleholder Heather Hardy has tested positive for the banned substance furosemide.Doping controls first introduced – at the end of 1967 the International Olympic Committee (IOC) votes to adopt a drug-testing policy banning the use of specific drugs – not including anabolic steroids. This policy is released in 1968 Clinical – usually as recombinant growth hormone; effect on growth and metabolism Analytical – effect will depend on if immunoassay detects rhGH Boxer B's palm meets the jab with a bit of added force (from B), pushing the jab to the left side of their head

Clinical – increased urine volume Analytical – urine concentration reduced – diluting everything down to potentially undetectable concentrations Boxing is a combat sports game in which a person fights against another person with his fists wearing padded gloves in a roped square ring according to rules. Lance Armstrong admits to doping during his television interview with ‘Oprah’ and was subsequently stripped of his seven Tour de France medals

Another option is to put a non-dominant hand up around his face and his elbows across his body between his belly button and his chest. Doping using DHT detected in 11 Chinese athletes participating in the Asian Games by the IOC accredited laboratory in Tokyo AAS introduced as a banned class of compounds by the IOC following the positive screening results of the 1974 Commonwealth Games Other substances are currently under review and may be designated as Substances of Abuse in the future Three cyclists fail the mandatory health test just prior to commencement of the 2000 Tour de France – they were not permitted to start because they had a haematocrit >50%