Gal Gadot said she was “scared to death” after learning she had a “major” blood clot in her brain while 8 months pregnant.

Anemia is when you have low levels of red blood cells. When this happens, your organs and tissues have a harder time getting oxygen. You may feel fatigue, weakness, and shortness of breath.

Did you know that donating blood can do more than just save a life? Here's what your blood can tell you about your health.

When someone inherits two mutant copies of the hemoglobin gene, the abnormal form of the hemoglobin protein causes the red blood cells to lose oxygen and warp into a sickle shape during periods of ...