On the flip side, a low HRV — less variation between beats — can indicate your body is stuck in “fight-or-flight” mode. That ...

Nitric oxide doesn’t get the hype of collagen or NAD+, but it plays a central role in blood flow, energy, and how well the ...

The Arctic ground squirrel survives conditions that would cause irreparable brain damage in almost any other mammal on the ...

High blood pressure and body mass index, or BMI, may be directly linked to the increased risk of developing vascular dementia ...

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

By analyzing brain activity in mice, they determined that a fat molecule called PIP2 acts as a brake on Piezo1. When brain ...

These underground rodents are the first mammals found to actively choose air with lower-than-normal oxygen levels. Their remarkable ability to survive these conditions could offer a key model for rese ...

Scientists have discovered that a part of the brain may be behind high blood pressure. The lateral parafacial region sits in the brainstem—the oldest part of the brain—which controls automatic ...

I just hit 20,000 steps!" my husband exclaims as he brags when his fitness tracker exceeds the oft-heard benchmark of 10,000 steps per day. Although I rarely get that many steps, I use my ...

Abstract: In times of pandemics, mechanical ventilators are indispensable for delivering controlled inspired oxygen (FiO2) to maintain appropriate blood oxygen saturation levels (SaO2). Abrupt drops ...

Insulin is one of the most essential hormones in your body. You can think of it as a “key” that unlocks the doors to your cells. When you eat food, your body turns it into energy (sugar). Insulin ...

What could happen if oxygen levels doubled in Earth’s atmosphere. Why Venezuela’s oil may be far more trouble than it is worth for Chevron and other companies How fake admiral was caught out by ...