Online survey of 400 people aged 50-70, only 2.6% of people could explain what overdiagnosis means.

Definition: when a disease is detected that would not cause any harm during the lifetime of the patient.

Without better public understanding, difficult for them to make informed decisions about their health.

Ghanouni et al. A survey of public definitions of the term ‘overdiagnosis’ in the United Kingdom. BMJ Open 7 April 2016.