Aging research is entering a new phase as scientists rethink one of the body's most mysterious cell types: senescent cells, often nicknamed "zombie cells." While these aging cells have long been viewed as harmful drivers of inflammation and disease, new findings suggest the story is far more complicated. In some cases, senescent cells may actually help protect and repair the body.
A new review published May 4, 2026, in Volume 18 of Aging-US explores h...

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