Why your microbiome may matter more than DNA for your lifelong health
Briefly

Brett Finlay and Jessica Finlay's book, The Microbiome Master Key, examines the crucial role of microbes in human health. These microorganisms, particularly bacteria, are present in large numbers in and on the human body, especially in the gut. Contrary to the belief that they are passive, the authors emphasize that microbes impact various bodily functions including healing, sleep, and even cognitive processes. This perspective challenges traditional notions of human identity, suggesting humans are vessels for these microbes, fundamentally redefining what it means to be human.
Microbes, short for microorganisms, are tiny living things like bacteria, viruses, fungi, and protozoa. When scientists talk about the human microbiome, they usually refer to the trillions of bacteria that live in and on our bodies, especially in the gut.
The Finlays' book challenged the assumption that the microbiome was made up of mostly passive passengers. Instead, it shows that it is essential to almost every part of how we function: healing, sleeping, how our skin looks, and maybe even how we think.
Read at Big Think
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