Dr. James Faber is professor of cell biology and physiology at the UNC School of Medicine. Here he explains how principles of chemistry and physiology combine to create the color scheme of blood.

Blood is red to the naked eye. Under a microscope, it depends. This isn't because it isn't really red, but rather because its redness is a macroscopic feature. Human blood is red because hemoglobin, ...

Your period may show up every month and annoy you with the cramps, bloating, and fatigue that come along with it, but it deserves a little respect. Your monthly flow can actually provide a lot of ...

False claims that the coronavirus vaccines are harmful have circulated on social media for months. Now, some are claiming the shots change more than just one's likelihood of getting seriously ill. A ...

False claims that the coronavirus vaccines are harmful have circulated on social media for months. Now, some are claiming the shots change more than just one's likelihood of getting seriously ill. A ...