High cholesterol is often called a “silent condition” because it usually develops without obvious symptoms. However, once it begins affecting blood circulation and the arteries, certain physical signs ...

Chronic, mild dehydration quietly increases the workload on your cardiovascular system. Even mild dehydration reduces blood ...

It's rare for health providers to declare a person dead who is still alive, but it can be tricky with drowning victims. Their body temperature is key.

The brain relies on real-time delivery of oxygen and nutrients through its microvasculature, which threads through neural ...

Carbs and salt: the two holy grails of pre-marathon fueling. Anyone with a few races under their belt knows that carb loading is essential for topping off glycogen stores, while salt helps your body ...

NASA announced it had found the source of a helium flow blockage that forced it to roll the Artemis II rocket back from the ...

NASA's Artemis II rocket repairs are underway after a dislodged seal caused a helium flow issue, delaying launch.

Popular weight loss and diabetes drugs may help the heart heal better after a heart attack by improving blood flow in tiny heart vessels.

When the heart has to work harder to pump blood through stiffer, narrower arteries, high blood pressure can develop. Atherosclerosis. This term is clinical for hardening of the arteries. "It occurs as ...

New noninvasive tools reveal that subtle shifts in brain blood flow and oxygen use may mirror key markers of Alzheimer’s risk ...

A misdiagnosed emergency nurse’s severe headaches reveal key signs and symptoms of a cluster headache and the importance of ...

Flow batteries have been widely deployed in large-scale energy-storage applications in recent years, but the low energy ...