Blood pressure (BP) is a vital marker of cardiovascular health, yet many people misunderstand what constitutes normal versus too high or too low. Simply put, blood pressure measures the force your ...

A sodium blood test will tell you if your blood sodium levels are normal. Blood sodium levels actually have little to do with how much sodium you consume and are tightly regulated by your body's ...

As an editor and writer who has contributed to many national and local publications, Nicole Gregory enjoys communicating clearly on critical health topics so that readers can make informed choices for ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

If you've ever wondered whether your blood sugar levels are where they should be, you're not alone. Whether you've been told you're prediabetic, you have a family history of type 2 diabetes or you're ...

These normal ranges are used nearly everywhere in medicine. But reference intervals face a big challenge: What's normal for you may not be normal for someone else. Nearly all blood count markers are ...