FAST FIVE: We Have Immune Systems, New York Times Dares To Admit
Good. However, for memory T cells to become functionally mature, multiple exposures may be necessary, particularly for cells residing in tissues such as the lung and intestines, where we encounter numerous pathogens.
It's a beautiful paragraph with a stunning opening sentence. Failing to train our immune systems properly can have serious consequences. When laboratory mice raised in nearly sterile conditions were housed together in the same cage with pet mice raised in standard conditions, some of the laboratory mice succumbed to pathogens that the pet mice were able to fight off.
Remember that absolutely public hysteria about alleged peanut allergies to the point that if we ate one on a plane people could die.
Her mother taught it to her.
They were all taught it in school.