In a study conducted by the British Medical Journal, 88% of patients who failed to respond to PDE5-Inhibitors (Viagra, Cialis, Levitra) were successful with injection therapy. Additionally 48% of men who failed to respond to PDE5-inhibitors responded when used in conjunction with injection therapy.
The following year he released Graffiti Bridge (the sequel to Purple Rain), which turned out to be a considerable commercial disappointment. In 1991, Prince formed the New Power Generation, the best and most versatile and talented band he has ever assembled.
In 1985, after the successful Purple Rain Tour, Prince announced that he would discontinue both live performances and music videos after the release of Around The World In A Day, which held the #1 spot on the Billboard 200 for three weeks.