Peter Attia· MD
It turns out natural killer cells don't like that very much. This is very primordial branch of the immune system that we think about innate immunity, adaptive immunity as being primordial versus more modern, quote unquote, higher organisms having them. Any case, these natural killer cells, which are part of the more primordial immune surveillance machinery, if they see a cell not showing MHC complexes, That targets that cell for destruction.