The National Basketball Association (NBA) has a history of banning players who violate its policies, particularly those related to drugs and gambling. Several players have faced lifetime bans or suspensions as a result of failing drug tests or engaging in prohibited gambling activities. Among the players banned are Ron Artest, who faced repercussions for marijuana use, and Chris Andersen, who was suspended due to drug violations. These actions reflect the NBA's strict stance on maintaining the integrity of the sport and enforcing its conduct rules. The league’s disciplinary practices serve as a warning to players and reinforce its commitment to providing a clean and fair competitive environment.