While fentanyl overdose deaths have been falling in recent years, use of the drug remains a major public health crisis in the U.S., and now Labcorp is launching a new test designed to detect the ...

A simple test developed at Washington State University could eventually allow astronauts and others in round-the-clock occupations to monitor their biological rhythms in just minutes using a drop of ...

Rep. Jamie Raskin is calling on the White House physician to conduct a cognitive test of President Donald Trump amid his heightened rhetoric about the US war with Iran. The Maryland Democrat joins a ...