Grail Inc.’s multi-cancer blood test, Galleri, failed to hit its primary goal in a large-scale National Health Service trial, ...

A closely watched clinical trial in Britain that screened blood for early detection of cancer did not show a reduction in ...

Nerve conduction studies show how well the body’s electrical signals travel down your nerves. During a nerve conduction study test, providers apply small electrical shocks to your nerve and record how ...

Newly FDA-cleared blood tests are now making it easier for doctors to diagnose Alzheimer’s disease. But could a single blood test also predict when patients' symptoms will appear? | Newly FDA-cleared ...