Grail's multi-cancer blood test can find cancer — but there's still one big problem with how it works.

Early cancer detection has long been one of medicine’s greatest challenges. Now, a new generation of blood tests is offering ...

Many people living with dementia never receive an accurate diagnosis, in part because Alzheimer's disease, Parkinson's disease and related conditions are notoriously difficult to tell apart and often ...

A new study has revealed a group of blood proteins that are altered in people who go on to develop multiple sclerosis (MS), in some cases more than a decade before diagnosis. The findings offer hope ...