Premature ejaculation (PE) is a common problem, affecting as many as 1 in 3 men at some point in their lives. But that doesn’t make it any easier to handle.

PE occurs for many possible reasons, but whatever the cause, it can take a toll on relationships.

Causes of premature ejaculation

A man is diagnosed with PE if he is unable to delay ejaculation to his or his partner’s satisfaction 50 percent of the time during sex.

Why does this happen? There is no clear-cut reason, but a hormone known as serotonin may play an important role. Serotonin regulates mood and aids sleep. A lack of serotonin may increase the risk of PE because if you don’t have enough, ejaculation could be hastened.

Other potential causes of PE include stress and depression, lack of sexual confidence