Spotting blood in your urine can be alarming. It's natural to assume the worst. But the truth is, this symptom has many ...

The human immune system is one of the body’s most important defense systems. Every day, millions of immune cells move through ...

Anemia, a common blood disorder, may be a major risk factor for developing cancer. That's according to new research from Sweden, which sought to discover whether newly developed anemia is an early ...

Blood cancer is an umbrella term for a variety of diseases that affect the blood, bone marrow and lymphatic system. Like most cancers, the cause is usually mutations in the DNA, which are genetic ...

Inside our bones, an extraordinary process is taking place every moment of every day. Deep within the soft tissue known as bone marrow, the body continuously produces millions of new blood cells.

We all get the occasional bruise - a bump against a table, a knock during a game, and a blue-black mark appears for a few ...