DEAR DR. ROACH: I am a female and almost 75 years old. My vital signs are always normal, and I am active, but slightly overweight. I get quarterly blood draws, and every reading is in the normal range ...

Monoclonal B-cell lymphocytosis (MBL) is a condition in which a person has an excessive amount of abnormal B cells, which are a type of white blood cell known as lymphocytes. The number of abnormal B ...

Intraepithelial lymphocytosis is an elevated white blood cell count in your gastrointestinal tract. It can be a sign of celiac disease, Crohn’s disease, or other gastrointestinal conditions. The ...

Cancer immunotherapy has already transformed treatment for some patients, yet too often the body’s defenders stall out before ...

Dear Dr. Roach: I am a female and almost 75 years old. My vital signs are always normal, and I am active, but slightly overweight. I get quarterly blood draws, and every reading is in the normal range ...

Lymphocyte-rich Hodgkin’s lymphoma (LRHL) is a subtype of Hodgkin’s lymphoma, a cancer of the lymphatic system. Hodgkin’s lymphoma (HL) is a cancer affecting the lymphatic system. This crucial part of ...

In a recent article published in the Science Immunology Journal, researchers investigated a cohort of patients who developed myocarditis or pericarditis shortly after severe acute respiratory syndrome ...

Nearly 1.5 million Americans and nearly 5% of women over the age of 55 have rheumatoid arthritis (RA), an incurable ...