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 ...

Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.

Your doctor will usually check your red blood cell count together with your other blood cell counts to look for conditions that cause low counts (anemia) or high counts. Many health conditions can ...

Professor of Chemical and Biological Engineering, Biomedical Engineering, and Public Health, Colorado State University Your blood serves numerous roles to maintain your health. To carry out these ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

The estimated glomerular filtration rate (eGFR) is a blood test to assess kidney function. The formula for calculating eGFR takes the patient’s body size, age, and sex into account to predict how well ...

Thyroid blood tests help figure out how well your thyroid gland is working. TSH helps the thyroid gland know when to make ...

Normal blood sugar levels are about 70-100 mg/dL. Your blood sugar will naturally fluctuate a bit throughout the day in response to food and other factors. However, it ideally stays within a set range ...