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

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

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

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.

The team calculated that the mosquitoes likely developed their “ anthropophily ”—their taste for human blood—at a point some 2.9 million to 1.6 million years ago. This overlaps with the same period in which some scientists believe H. erectus, an early hominin, arrived in the region.

People who lived longer had lower piRNA levels, suggesting these molecules may play a direct role in how long we live.

Want to know how to craft items in Resident Evil Requiem? Our guide explains how you can unlock the ability to use Infected Blood to craft items.

A nationwide blood shortage is impacting Tulsa patients like Shagah Zakerion, a cancer patient who relies on regular transfusions and is now urging more people to donate.