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Breastfeeding cannot replace a vaccine – let’s talk about passive immunity

One of the pervasive myths expressed by the anti-vaccine world is that one or all childhood vaccines can be replaced by breastfeeding. Somehow, these people believe that breast milk is such a powerful agent of the immune system that vaccinations are unnecessary. But that’s not based on any science related to human physiology, especially with respect to the immune system.

These beliefs represent a misunderstanding of how our immune system functions, especially regarding the role of passive immunity. Breastfeeding, of course, has a lot of benefits to both the developing baby and the mother. But we shouldn’t endow it with magical qualities, especially with regards to how it operates with the infant’s own immune system.

I want to take some of your time here to give a condensed version of immunology, especially the differences between passive and adaptive immunity. And I want to show how breastfeeding complements the developing baby’s immune system. 

Read More »Breastfeeding cannot replace a vaccine – let’s talk about passive immunity