By triggering stress can reduce the effectiveness of flu vaccinations. a) increased oxytocin levels b) an increase in nk cells c) reduced lymphocyte levels d) reduced cortisol levels

By triggering the natural killer cells, stress can reduce the effectiveness of flu vaccinations. It triggers tumor formation and said to kill T cells that help the immune system. They can be found inside in the bones and can also scatter themselves through identification of cells that do not have antibodies.

Question what do u mean by that?

The outer ear canal and it protects you from getting bad infections. hope this xx