Aging Cells May Be Hiding From the Immune System – Scientists Think They Know How

Your immune system is supposed to clear out damaged cells. Researchers may have found how some of them hide and linger as the body ages. Researchers led by Cedars-Sinai Health Sciences University have identified PD-L2 as a protein that may help damaged cells escape immune removal. In the study, published in Cell Metabolism, blocking PD-L2 [...]