Low testosterone is associated with numerous adverse effects such as reduced energy, depressed mood, difficulty concentrating, and reduced sex drive, and benign-prostatic-hyperplasia and prostate-cancer often cause burdensome lower urinary tract symptoms. Additionally, prostate-cancer is the second most common cancer in men worldwide and is among the top five causes of cancer mortality in men.[1] Therefore, the maintenance of adequate testosterone levels and the management of men’s health conditions are important for both quality of life and lifespan.