NOSE GUARD

New Zealand Listener - - THIS LIFE -

Cells in the nasal cav­ity re­lease tiny sacs that fight po­ten­tial in­vaders and prime other cells to re­sist them, US re­searchers have shown. Cells lin­ing the nasal cav­ity se­crete mu­cus, which traps par­ti­cles and is then swal­lowed. “We have demon­strated that the im­mune sys­tem goes and at­tacks pathogens be­fore they get into the body,” says Benjamin Bleier, a si­nus sur­geon at the Mas­sachusetts Eye and Ear teach­ing hospi­tal.

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