Erectile Dysfunction, ‘aka’ ED, The root cause is a lack of blood flow. 60% of all men over 55 years old suffer from the effects of ED. Most men suffer in silence, but you don’t have to. Paragon Pulse Wave uses GAINSWave, a therapy that works by restoring bloodflow throughout the penis. GAINSWave therapy is non-invasive, with no pills, no side effects, and without painful injections. Paragon has the answers and has treated more ED patients than any other provider in Southeast Idaho.