Obstructive sleep apnea promotes whole-body inflammation and weakens the body's immune system. Read about related pathways and health consequences.

Some earphones track heart rate and oxygen levels using Photoplethysmography and Pulse Oximetry, integrating wellness ...

Cove Park, called one of the best places to learn to surf on Maui, is one of the worst sites for turbidity and nutrients. Yannell noted it’s located in the vicinity of the Kīhei Wastewater Reclamation ...

Chronic, mild dehydration quietly increases the workload on your cardiovascular system. Even mild dehydration reduces blood ...

A cystatin C–based blood test may provide a more reliable way to monitor kidney function in children and young adults with SCD, a study found.

Sleep sex is a real medical condition. Explore sexsomnia symptoms, risk factors, brain wave research, and potential management strategies.

VO2 max is often referred to as a key marker of fitness. It’s the measure of the maximal amount of oxygen your cells can take ...

A recent mouse study suggests that low-oxygen conditions, such as being at high altitudes, could cause red blood cells to ...

A new study suggests rising carbon-dioxide levels may be slowly changing human blood chemistry and could impact long term ...

For decades, scientists and doctors believed that Alzheimer's disease was mostly genetic and certainly not preventable. But ...

Nighttime drops in ocean oxygen raise energy use in small reef fish. Repeated stress could affect reef health as oceans warm.

Subtle changes in how blood flows through the brain and how brain tissue uses oxygen may be closely linked to Alzheimer's ...