Erectile dysfunction (ED) is defined as the inability to achieve or maintain an erection sufficient for satisfactory sexual performance.
With the ageing worldwide population, it has been projected that by the year 2025, 322 million men will have some degree of erectile dysfunction.
Erectile dysfunction is common amongst Singaporean men. Age is the single most important physiologic factor affecting erectile function. The prevalence and severity increased significantly with age after 50 years old.