A major risk of breast cancer screening may have been overestimated for decades

A major risk of breast cancer screening may have been overestimated for decades

Breast cancer screening can sometimes identify cancers that would never have caused symptoms or threatened a woman’s health during her lifetime. This phenomenon is known as overdiagnosis, and it has long been considered one of the potential drawbacks of screening. For decades, researchers have debated how often overdiagnosis actually occurs. Estimates from randomized trials have … Read more