by Michael Morrison, Massachusetts General Hospital Acetylcholine is produced by bone marrow B lymphocytes. Credit: Nature Immunology (2022). DOI: 10.1038/s41590-022-01165-7 The immune system’s white blood cells, which are produced in the bone marrow, mostly help to defend against bacteria and injury, but sometimes they can turn against the body—for example, in cardiovascular disease, their inflammatory aggression can...
