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 ...

When it comes to maintaining health, it can be helpful to understand an optimal baseline for some matters. Learning a healthy weight range for your height, age, and gender, for instance, can be useful ...

Normal ferritin levels range from 15-150 ng/mL for females and 15-200 ng/mL for males. High ferritin levels can indicate an iron overload or inflammation. Eating iron-rich foods can help you raise ...

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.

Even though it often gets a bad rap, cholesterol is actually essential for health. Your body needs cholesterol for important functions like building cells and creating hormones like estrogen and ...

A complement C4 (also known as a complement component 4, or simply C4) is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system ...

Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...