Recent scientific research is focusing more and more on the microbiome and how it effects human psychology (microbiomepsych).  In addition, single-celled bacteria living inside and outside of us out-number our human cells by as much as 10 to 1.  As a result, the kinds of microbes you have in your gut flora may help explain why some people struggle with asthma, Crohn’s disease, and other allergies.  The field psychology has shown that people who suffer with chronic pain have higher amounts of depression.

Also, considering that the average person carries approximately 2.5 to 6 pounds of microbes, we should think about the gut-brain-connection.  The American Academy of Microbiology estimates our human cells to be 37 trillion.  Furthermore, the Academy also estimates that the amount of microbes living with us is an estimated 100 trillion.  Let’s sit back and think about that for a minute.  The average human brain weights approximately 3 pounds; we have 2.5-6 pounds of microbes living inside of us and on our skin.  The average human also contains 37 trillion human cells, and 100 trillion microbes.  Hence, if you kill the microbes with antibiotics and different sanitizers what do you think the impact on your mental, physical, and emotional health will be? Seems like, it’s fair to say that all these microbes can’t be bad.  Most noteworthy, about 3 pounds of those microbes are actually your best defense against asthma, Crohn’s disease, and other allergies.

It is also noteworthy, we get the majority of our microbes as we pass through our mother’s vagina at birth.  And, babies born from a C-section have shown to have a less diverse microbiome/gut flora community, as well.  Hence, our mother’s breast milk also contains many healthy microbes that prepare us for life in the outside world, too.  In addition, children who are born from C-section and who are not breast fed show a higher rate of childhood obesity and asthma.

Lastly, David Suskind, a pediatrician and gastroenterologist  at Seattle’s Children Hospital says: “If you look at a lot of the disease issues of the 20th and 21st century, a lot of them have to do with nutrition and autoimmune processes.”


On a final note, studies on the microbiome exploded after 2002.  This is still a new field of study, and there are many fascinating new discoveries still being developed. What’s is certain is that we need to take care of the bacteria that live in our microbiome/Gut flora. Our microbiome may hold the key to our health and our happiness.


Morgan, K. (2014, Spring). Your health is personal: Change your microbiome, change yourself. Genomemag.com. Retrieved from http://genomemag.com/change-your-microbiome-change-yourself

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