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 ...

In the future, blood tests could aid in shortening wait times for people seeking care for cognitive symptoms. Srinophan69 via Getty Images A blood test for diagnosing Alzheimer’s disease was accurate ...