Kind of a cool article i was reading on Discover magazine about how our bodies are a living ecosystem of trillions of living microbes that we share with and most never effect us negatively. We have bacteria that live in our intestines, teeth, tongue and that covers our entire skin and body. We have about 8% of our genome is made up of viral DNA from our ancient ancestors and most of us are infected with the herpes virus only to never know it's in us.
Just wanted to pass along for those who never knew this
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Your Body Is a Planet | Infectious Diseases | DISCOVER Magazine