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.
Prince released the album Parade in 1986. The album hit #3 on the Billboard 200 and #2 on the R&B charts. The first single, Kiss, would top the Billboard Hot 100. The song was originally written for another Prince side project, Mazarati.