Did You Know that Viruses are Saving Your Life Right Now?

'You’ve lived in an invisible sea of microbes from the moment you were born, breathing them, swallowing them, and harboring them on your skin. More than 90 percent of the DNA in your body is not yours, but actually belongs to these microbes.
 
In order for you to stay healthy, your body must remain in a perpetual state of battle-readiness so it can control the pathogenic organisms that make you sick, while supporting and protecting the beneficial ones that keep you healthy.
 
In order for this delicate dance to occur, your body must learn the difference between helpful and harmful microorganisms. But how does it accomplish this?
 
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