Warning over new dementia test

The warning comes after claims that financial incentives to screen for pre-dementia in the UK and US are leading to unnecessary investigation and potentially harmful treatment.

The latest article in the BMJ’s Too Much Medicine campaign, timed to coincide with the inaugural Preventing Overdiagnosis conference in the US, warned that new screening policies were not backed by evidence and ignore the risks, harms and costs to individuals, families and societies.

In England, the government has