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 ...

Largest study on this topic suggests that measurement errors lead to potential delays in care and contribute to health ...

“Patients with pulmonary edema generally describe breathlessness. Sometimes they feel like they are suffocating or breathing ...

I just hit 20,000 steps!" my husband exclaims as he brags when his fitness tracker exceeds the oft-heard benchmark of 10,000 ...