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

A new review article suggests that using a finger-prick test to measure ketosis could provide valuable insights to ...

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 ...

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

The Fitbit Air wristband and the Oura smart ring are both excellent screen-free fitness trackers. I compare specs, features, ...

Exercise doesn't just make the heart stronger. It also rewires the nerves that regulate it, a discovery that could pave the ...

But there are a few tricks that can be employed to help make the process easier—like working out according to your personality type.  Researchers from the United Kingdom sought to determine whether ...

The internet has exploded with claims that stress hormones lead to belly fat, but is cortisol actually responsible?

Artificial intelligence can explain diseases and simplify medical information, but it cannot examine a patient or replace ...

Firms taking part in the Bank of England's inaugural private credit stress test have been allowed to draft in external City advisers.

Startup founders are using ChatGPT, Claude and other AI tools not to validate their ideas, but to attack them.

The announcements followed the release of the Federal Reserve's annual stress test, which found that all 32 large banks weathered a hypothetical recession.