Is Your Anxiety and Depression Really a Cytokine Cascade?

The immune system is an unbelievably intricate web of interactions. It helps determine what is us or non-threatening from what is dangerous. It helps us fight infections through cascading reactions. It facilitates healing from injuries. It knows if the foreign microbe we are dealing with is a bacteria, virus, parasite, allergen, or food and mounts the appropriate response for each. It is located all over the body, but mostly in the gut.

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