Personal Perspective: "Normal" isn’t perfection but a statistical range based on population data. Diagnoses compare ...

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 ...

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 ...

Researchers in the U.S. have found that exposure to low oxygen levels — known as hypoxia — early in life can cause pulmonary hypertension (PH) by permanently altering lung blood vessel development.

Understanding your heart rate is crucial for more than just reaching optimal fitness–it can also help to reduce injury and ...

Testosterone is arguably one of the most essential hormones for supporting men’s health. It plays a role in supporting intimate, bone, muscle, and mental health. Testosterone levels that are higher or ...

Air travel for some adult patients with pulmonary diseases may be challenging, so having proactive discussions with your patients is key. “Without appropriate preparation and intervention, patients ...

New research shows patches of ocean off B.C.’s coast are facing levels of oxygen depletion that could start to impact marine wildlife. Sam Stevens, a researcher at the Hakai Institute who led the ...

Some 390 million years ago in the ancient ocean, marine animals began colonizing depths previously uninhabited. New research indicates this underwater migration occurred in response to a permanent ...

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Apple will bring a blood oxygen measurement feature to some of its watch models via a software update after receiving approval from the US government amid a protracted legal dispute over the ...