Since the launch of Viagra (sildenafil) in the late 1990s, male erectile dysfunction has been more openly discussed than ever before, with a market for drug treatment worth over $4.82 billion in 2015.

Experimental treatments for erectile dysfunction (ED) date back centuries from the truly exotic— like dining on shark fins— to various forms of yoga and rare herbal supplements. Today, most men reach ...

Study flowchart of patient selection: Inclusion and exclusion criteria. ED, erectile dysfunction; EDITS, Erectile Dysfunction Inventory of Treatment Satisfaction; RCP, radical cystoprostatectomy; RP, ...