Paralympic Games stripped after his positive drug test. At the 2010 Winter Paralympics in Vancouver, Swedish curler Glenn Ikonen tested positive for a banned substance and was suspended for six months by the IPC. He was removed from the rest of the curling competition but his team was allowed to continue. The 54-year-old curler said his doctor had prescribed a medication on the banned substances list. Another concern now facing Paralympic officials is the technique of "boosting". Athletes can artificially increase their blood pressure, often by self-harming, which has been shown to improve performance by up to 15%. This is most effective
Paralympic Games coordinate the World Championships and other competitions for each of the nine sports it regulates. IPC membership also includes National Paralympic Committees and international sporting federations. International Federations are independent sport federations recognized by the IPC as the sole representative of a Paralympic Sport. International Federations responsibilities include technical jurisdiction and guidance over the competition and training venues of their respective sports during the Paralympic Games. The IPC also recognizes media partners, certifies officials, judges, and is responsible for enforcing the bylaws of the Paralympic Charter. The IPC has a cooperative relationship with the International Olympic Committee (IOC). Delegates of