Final answer:
A problem in sexual functioning that causes significant distress and impairment is known as sexual dysfunction, with erectile dysfunction being a common condition that hinders the ability to maintain an erection and affects a significant percentage of men as they age.
Step-by-step explanation:
A problem in sexual functioning that causes distress and impairment for individuals and relationships is referred to as a sexual dysfunction. In the context of male reproductive health, a prevalently known condition is erectile dysfunction (ED), characterized by the regular and repeated inability of a sexually mature male to obtain or maintain an erection. The condition has a significant presence, affecting approximately 40 percent of males at age 40, reaching nearly 70 percent by the age of 70.
ED can be caused by a range of factors including age, diabetes, vascular disease, psychiatric disorders, prostate disorders, certain medications, such as antidepressants, and low testosterone levels. The resulting interference in the vasodilation pathway crucial for achieving an erection is what leads to erectile dysfunction. While treatments are available, this condition remains a common challenge in sexual health for men.