beijing Olympics

High Performance Sports and Viagra Use

August 3rd, 2008 |

Viagra has been reported numerous times as a possible enhancement drug for athletes, particularly cyclists who need to be in top shape at high altitudes. Several studies mentioned in an article linked viagra use with optimum performance at high altitudes in animal models (hamsters) and humans (fighter pilots). This led to the conclusion that Viagra alleviates jetlag.

A study of athletic enhancement through Viagra use was mentioned in ScienceDaily.com during June 24, 2006. It stated that cyclists can boost their performance by taking Viagra prior to a run. To quote:
“Ten cyclists who took sildenafil (Viagra) collectively improved their stroke volume (the volume of blood moved out of one ventricle of the heart per beat) and cardiac output (stroke volume times heart rate) compared to the placebo trial. The researcher also found that the Viagra group minimized the decline of arterial oxygen saturation of the arteries when the cyclists were at simulated altitude of 12,700 feet.”

Viagra has long been known to improve blood circulation, and consequently, oxygen delivery to different parts of the body. It causes the relaxation of blood vessels in the lungs. This improves blood flow from the heart and increases oxygen transport to working muscles. With these in mind, these previous reports of increased athletic performance due to sildenafil use may just trigger some speculations about the abuse of this drug during the Beijing Olympics (2008), particularly since it was not listed as a prohibited drug in this Olympics season.

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