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
International Paralympic Committee of "one bid, one city" already at the 2002 Games in Salt Lake City, with one Organizing Committee for both Games, which was followed up by the 2004 Games in Athens and Beijing in 2008. The agreement was adjusted in 2003. An extension was signed in June 2006. A further extension was signed in 2012, valid until 2020. In March 2018, a historic long-term extension was signed establishing a partnership until 2032. The NPCs receive financial support for the training and development of Paralympic teams, Paralympic athletes and Paralympic hopefuls. There are 11 international federations recognized by the IPC, and