Polygraph tests can supposedly detect when a person is lying. But how can a machine do that, and can we really trust the ...

The Pentagon's new testosterone screening policy will test troops over 30. A doctor explains what the research shows about ...

SPEAKING OUTThe Senate’s decision this afternoon to consider subpoenaing Vice President Sara Duterte’s tax records has ...

In barely a decade, the continuous glucose monitor has turned real-time blood sugar into a number that millions track on ...

St. Luke’s University Health Network now offers a proven, noninvasive diagnostic option for people with suspected heart disease: Heartflow FFR-CT Analysis. The test may reduce the need for invasive ...

Hormone levels naturally fluctuate throughout the day based on stress, sleep and physical exertion, experts say, and ...

VO2 max measures the maximum amount of oxygen your body can use during exercise. It’s become one of the buzziest fitness metrics on social media, with influencers and wearable devices touting it as a ...

High school student-athletes in Florida have a new health requirement aimed at maintaining their safety on the field of play.

One of the biggest misconceptions is that iron deficiency and anaemia are interchangeable The challenge is that iron deficiency doesn't always show up in the way people expect. You don't need to have ...

Defense Secretary Pete Hegseth says he's rolling out a new screening program for “testosterone deficiency” among troops.

From hydration to being a dog owner, here is what heart doctors told Newsweek they do to protect their hearts.

Multicenter study, conducted through the Pediatric Heart Network — and co-led by Cincinnati Children's — will test new ways to strengthen parent well-being, bonding and infant development after ...