The True Science of your Immune System

These days, in early 2022, it is very rare to hear anything about your immune system and how it works to defend you against pathogenic microorganisms.  Maybe once in a while the term "natural immunity" may crop up, though it is usually treated as something new, radical or untried.  Nothing could be further from the truth.  If it weren't for our natural, innate immune system, none of us would be here.