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 ...

Janay Reece came back home to Baltimore to join WJZ in August 2023. Before coming back to the Charm City, Janay was a morning anchor and reporter for WDBJ7 in Roanoke, VA. She joined the WDBJ7 morning ...

Long Island Sound has reached a historic milestone in water quality, with low-oxygen conditions at its lowest levels since 1987. Hypoxia refers to low oxygen levels in waters near the sea floor, ...

If someone’s blood oxygen level falls below 60 mm Hg, there may not be enough oxygen reaching the body’s vital organs. This can lead to symptoms such as shortness of breath and dizziness. This article ...

AUSTIN (KXAN) — KXAN viewers reached out to us last week asking about a large number of dead fish they saw in a pond near Airport and Mueller boulevards. We reached out to the city of Austin on Aug. 8 ...

Researchers Jeff Crooks and Stephany Garcia checked the minnow traps left at the murky mouth of the Tijuana River on a sunny October morning. They didn't expect any catches. They haven't had any for ...

The oxygen desaturation index (ODI) is a measure of insufficient blood oxygen (low levels) during sleep. If you have a diagnostic sleep study, this measure can be one of the components in the report ...

Coral reef research has focused on the twin evils birthed by record-high greenhouse gas emissions: warming oceans and increasingly acidic seawater. These global threats are caused by seawater ...

Dozens of fish were found dead in Silver Lake as a result of oxygen deprivation. The Wisconsin Department of Natural Resources is investigating the cause of the low oxygen levels. Silver Lake has a ...

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes than people living closer to sea level. But the mechanism of this protection ...