BACKGROUND: Although the prognostic utility of positron emission tomography (PET) myocardial flow reserve (MFR) is well established, emerging data suggest that reduced subendocardial flows also ...

Air pollution does not have to exceed federal limits to potentially harm human health, according to a new published study ...

But after eight weeks of hyperbaric oxygen therapy (HBOT)—a treatment that involves breathing pure oxygen under elevated ...

Over 26% of U.S. adults with a normal BMI met new criteria for clinical obesity proposed by the Lancet commission. About 78% of adults had excess adiposity if defined by using two or three abnormal ...

Walking up a flight of stairs, crossing a busy road, or even taking a brisk evening walk should not leave someone gasping for ...

More oxygen sounds great. The reality of hyperbaric therapy is a lot more complicated.

Rhinoplasty, commonly known as a nose job, remains one of the most sought-after cosmetic procedures worldwide. Whether performed for aesthetic enhancement or functional improvement, the success of ...

Are you getting enough vitamin B12? Even if you’re taking supplements, a recent study found that the “normal” guidelines may still be leaving you deficient in this key nutrient. A new study from the ...

A new study has found that climate warming is driving a widespread and sustained loss of oxygen in rivers around the world, putting freshwater ecosystems at risk.The study, published in the journal ...

To take a pulse oximetry reading, turn on the device, place it on your fingertip, sit still, and wait for a stable reading. Normal oxygen saturation levels range from 95% to 100%; levels below 92% may ...

The process consists of multiple overlapping steps, including blood flow, diffusion of oxygen, chemical reactions inside cells, and oxygen uptake by tissues. As these processes occur simultaneously ...

For decades, hyperbaric oxygen therapy (HBOT) has been used in emergency medicine to treat carbon monoxide poisoning, “the bends,” and wounds that won’t heal. But new evidence suggests breathing pure ...