
The Conversation | Saiful52/Shutterstock
While research has shown that PSA screening in men aged 50-69 years can reduce cancer deaths, many countries hesitate to recommend or implement formal prostate cancer screening programmes that would offer PSA testing systematically and fairly to all men. The hesitation stems from concern about overdiagnosis and overtreatment. But our latest research shows that prostate cancer overdiagnosis from PSA screening is mainly a risk for men over the age of 70.