We all know blood is red. But not all red blood is created equal. The exact shade of your blood can actually tell you a lot about what’s happening inside your body. And while you might not spend much ...

Period blood color can change from bright red to dark red, pink, or brown at different points during menstruation, though it's not typically an indicator of your overall health. Color can change with ...

Long before Halloween became a day of trick-or-treating, horror movies, and a good scare, it was a festival marking the end of the harvest season and the beginning of winter. October 31st was not only ...

Red blood cells carry oxygen from the lungs around the body. They then carry carbon dioxide from around the body back to the lungs. These cells are an important component of blood. However, a range of ...