Marijuana, steroids and performance-enhancing drugs are some of the banned substances in the league’s anti-drug program, even though some states allow recreational and medicinal marijuana use for those 21 or older. According to the CBA, players testing positive for drugs of abuse are banned from the league for a minimum of two years, and players testing positive for performance-enhancing substances are suspended for 25 games for a first violation, 55 games for a second violation and are banned from the league for a minimum of two years for a third violation.