DEAR DR. ROACH: I am a 58-year-old male. Several months ago, I lost 17 pounds, and even though I have gained back about 2 pounds in the past month, I cannot gain the weight back, even by increasing my ...

Salt Lake City, UT - Further evidence that routine measurements of white-blood-cell (WBC) counts may offer a simple and inexpensive way to predict future cardiovascular-event risk has been reported.

Lymphocytes are a type of white blood cell produced in bone marrow that play a crucial role in your immune system. There are several types—called T cells, B cells, and natural killer (NK) cells—that ...

The smallpox vaccine effectively induces immunity against mpox virus infection (formerly simian smallpox) in patients with human immunodeficiency virus (HIV) infection, although patients with ...