Hypertension can affect your mind, heart, eyes and more, often without causing any obvious symptoms at all.

A recent mouse study suggests that low-oxygen conditions, such as being at high altitudes, could cause red blood cells to absorb excess blood glucose, potentially helping to protect against diabetes.

In the early hours of March 2-3, a breathtaking 'Blood Moon' total lunar eclipse will dazzle skywatchers. We show who will ...

On March 3, a total lunar eclipse will create a copper-red blood moon, with skywatchers across multiple regions able to ...

Alzheimer's disease researchers say they've built a method using simple blood tests to predict if and when someone may show ...

After the weekend's cosmic planet parade, the full 'blood moon' will rise amid a total lunar eclipse. Here's what time to watch the moment of totality ...

The blood moon phase will be visible across swathes of North America before dawn on March 3.