Of late a lot of research has been done on the invention of new drugs and new cures for the nagging problem of erectile dysfunction. The invention of the erectile dysfunction drugs within the last ten years including Levitra has revolutionized the ED cure market. After all prior to the invention of these drugs there was no such relief for the ED patients. But the inventions of the erectile dysfunction drugs have not only provided relief to the ED patients but have also proved beneficial for certain other diseases.