A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s often triggered by lung or heart conditions like COPD, asthma, or heart ...

A recent report out of Oregon State University paints a picture of how ocean oxygen levels have decreased in the Pacific Northwest over the years. The report found near-bottom levels of dissolved ...

New research suggests that exposure to lower oxygen levels at high altitude may trigger biological changes that could benefit people living with diabetes.

The study included 17 sea-level residents visiting the University of California’s White Mountain Research Station, located in Inyo County at 12,740 feet. Volunteers spent varying amounts of time at ...

Elizabeth Cooney is a cardiovascular disease reporter at STAT, covering heart, stroke, and metabolic conditions. You can reach Liz on Signal at LizC.22. Oxygen is the breath of life, right? Because it ...