September 9, 2024 — About 8 to 10 million People over the age of 40 have an overabundance of cloned white blood cells, or lymphocytes, that hamper their immune techniques. Whereas many individuals with the situation — referred to as monoclonal B-cell lymphocytosis (MBL) — don’t expertise signs, a brand new examine reveals they might be at elevated danger for a number of well being issues, together with melanoma, a type of pores and skin most cancers. The findings, by researchers on the Mayo Clinic, are revealed in a brand new paper within the Journal of Medical Oncology.

Folks with MBL fall on a spectrum of low to excessive ranges of those dysfunctional lymphocytes. Earlier analysis has proven that MBL is a precursor to a sort of blood and bone marrow most cancers generally known as continual lymphocytic leukemia (CLL). Folks with CLL even have an elevated danger of melanoma.

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