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“NK, or natural killer, cells, which, like macrophages, attack targets like microbes, do not always kill. A 2013 article reports that about half of the NK cells sit out the fight, leaving a minority of them to become what their human observers call serial killers.” — Barbara Ehrenreich
NK, or natural killer, cells, which, like macrophages, attack targets like microbes, do not always kill. A 2013 article reports that about half of the NK cells sit out the fight, leaving a minority of them to become what their human observers call serial killers.