red blood cells

4.5 million Americans will need a blood transfusion each year. But what is it exactly, who needs one, and what are the risks? Let’s find out! 

It’s important to know your hemoglobin levels because it can indicate whether you’re at risk of conditions like anemia, cancer, and other infections. Here’s a rundown of what hemoglobin levels are and what yours should be right now.

Are you feeling especially tired and worn out lately? While you might think it’s from too much stress or overworking, it could be a sign of anemia. We take a closer look into the common symptoms and causes of anemia as well as how to diagnosis and treat it! 

Bilirubin is an orange-yellow pigment that occurs naturally after your red blood cells break down. But what happens when you have low levels of bilirubin? Is it a cause for concern? In this article, we find out! 

Shortness of breath, known medically as dyspnea, refers to difficulty breathing and is a common complaint seen by many physicians. Its occurrence can be acute or chronic. We’ve compiled a list of the 12 medical causes for shortness of breath.