Men’s health is the center of Urological Andrology with a great deal of exciting progress in recent years. With the increase in an aging population, the incidence and prevalence of sexual dysfunction is obvious. It is estimated that 322 million men worldwide will suffer from ED by 2025 (1). However, many available epidemiology studies are descriptive and not evidence-based. In this issue, Prof. Run Wang and many international distinguished authors give a critical look at descriptive epidemiology of sexual dysfunction in Asia was compared to the rest of the world by Professor Lewis from Georgia Health Science University and he called for better evidence-based data.
Guest Editor: Prof. Run Wang: University of Texas Medical School at Houston and University of Texas MD Anderson Cancer Center, USA