Ryan Garcia has seemingly confirmed that his B-sample is positive for the banned substance Ostarine after he failed two drug tests in April. It was later revealed that Garcia had failed two drug tests ...

Ryan Garcia's B-sample tested positive for a banned substance, ESPN reported Thursday, but the boxer's legal team and promoter pointed to a negative hair sample as proof he had not violated rules.

Ryan Garcia has taken a big step regarding his positive drug test. Garcia’s camp on Monday sent in a letter to the Voluntary Anti-Doping Association (VADA) requesting that his B-sample be analyzed.

In the child welfare system, the threshold at which a drug test is considered positive varies widely from one jurisdiction to ...

Jaime Munguia and his team were prepared for this outcome. Confirmation was made by the team for the 28-year-old that his “B” sample produced adverse findings of exogenous testosterone, as was the ...

In scientific research, controls are employed as standards. By separating the control from the samples exposed to an experimental condition, such as the introduction of an analyte, the effects of the ...