Dr. Michael B Armstrong MD, PHD

When the immune system attacks the joints, it will cause inflammation. As a result, the synovium (inside lining of the joint that lubricates and helps the joints to move smoothly) thickens. This will then lead to swelling and pain in and around the joints.If inflammation persists, it can damage the...

For Hoda Kotb, cancer brought something to her life that ended up saving her. Most people know Hoda Kotb as the positive and energetic co-anchor of NBC News TODAY, but what people don't know is that she didn't always live her life this way.Back in her early 40s, Hoda was going through a tough time....

Leukemia in its early stages may present no signs or symptoms, as these only appear when the leukemia cells have taken over a large number of normal blood cells. A person with leukemia is very lucky indeed if early-stage detection occurs incidentally, through a routine blood test or one done for...

IntroductionA decrease in the number of white blood cells (WBCs) is referred to as leukopenia. There are several causes for leukopenia. It may be due to certain drugs, cancer, radiation and chemotherapy for cancer, stem cell transplant, surgery, steroids, or autoimmune disorders. The immune system...

Lymphoma is a blood cancer that affects both children and adults.Lymphoma begins its growth in the lymphatic white blood cells of the lymph system. This system is a major warrior in fighting off infections and diseases. It is part of the body’s immunity team.The lymph system loops throughout the...

PurpuraPurpura refers to purple-colored spots that are usually seen on the skin, including mucous membranes and other organs. It is also called skin hemorrhages or blood spots.Purpura is usually recognized when there is pooling of blood under the skin due to ruptured small blood vessels. The size of...