A new research has confirmed that erectile dysfunction drug Levitra can improve the sexual endurance of men. Using a simple stopwatch the men who took part in this survey were asked to measure the time that they sustained an erection during successful sexual intercourse.

The research was led by Doctor Rosenberg at the Mid-Michigan Health Centres in America was double blind, placebo controlled, multi-centre, randomised, crossover research project which went on for a four week period. The men who took part were either given 10mg of Levitra, (vardenafil) or a placebo pill which they were told to take one hour before sexual intercourse. 200 men took part in this research project, out of these 200 40 percent suffered from moderate erectile dysfunction and around 33% suffered from severe erectile dysfunction. The results clearly showed that the duration of erections was significantly better in the men who used Levitra