Pulse oximeters use light to measure how much oxygen is in a person’s blood. For most people, a normal pulse oximeter reading is between 95% and 100%, researchers said in background notes. Readings ...

Explore the fascinating and lethal world of ocean brine pools, known as 'lakes of death,' which harbor unique ecosystems and ...

The Buffalo Bills have been preparing for the altitude in Denver prior to their playoff game against the Broncos.

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

Waking up suddenly gasping for air at night may signal a hidden heart condition. A cardiologist explains causes, symptoms, ...

The Sleep Score tells you how well you actually slept, not how well you think you slept. The Readiness Score tells you how ...

Pneumonia in children has a high mortality rate. Here are the seven signs that parents need to watch out for and learn when ...

Four-year-old Ellie Rudd – who loved mud and getting dressed up and having dance parties with her brother and sisters – died ...

A missed birthday. A forgotten anniversary. A milestone that goes unnoticed. These small slights from a manager may seem like ...

After working with athletes for over 20 years — from junior competitors to elite professionals — I can confidently say this: ...

When a protest by angry traders about what they see as the Islamic Republic's poor handling of the economy morphed into a ...