Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

If you get a high reading at the doctor's office, it may not be definitive. Here's what to know about your risk — and testing ...

Learn how lower vitamin D levels in winter can affect your calcium balance, why it matters for bone health, and what you can do to maintain healthy levels.

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

Many people feel reassured after a routine health check-up when their blood pressure reading appears normal. It often creates ...

A normal blood report does not always mean everything is fine. Hidden markers like hs-CRP, Lipoprotein(a), and HbA1c can reveal early metabolic and cardiovascular risks. Detecting these early allows ...

It is well known that preventing the onset of diabetes reduces the risk of death, and that managing blood glucose levels is key to preventing diabetes. However, it remains unclear whether there are ...