Early diagnosis of breast cancer could one day be possible via a simple blood test that detects changes in zinc in the body. Scientists have taken techniques normally used for studying climate change ...

It may be possible to develop a simple blood test that, by detecting changes in the zinc in our bodies, could help to diagnose breast cancer early, scientists say. In a world-first, the researchers ...

In a remote village, an aid worker pricks a sickly toddler’s fingertip, and like most of the other children’s blood samples, this one turns a test strip yellow. That’s how an experimental malnutrition ...

In a remote village, an aid worker pricks a sickly toddler's fingertip, and like most of the other children's blood samples, this one turns a test strip yellow. That's how an experimental malnutrition ...