To boost mood and manliness, men are spending lots of money on the hormone testosterone—yet they may see trouble instead of ...

The FDA has approved the first blood test for Alzheimer's disease based on a blood test – from Fujirebio – in a step forward for early diagnosis. The test, dubbed the Lumipulse G pTau217/ß ...

The Galleri blood test produced by California biotech company Grail has a long FDA approval process ahead of it. But even so, health officials say it could be a game changer in early cancer diagnosis.