The human gut is home to a microbial population of staggering diversity. Each of us has 100 trillion microbes in our body at any given time, most of them in our lower intestines. Together, they weigh two pounds or more. The microbial genes in our bodies outnumber our human DNA by a factor of 100 to 1.

Probiotics and fermented foods are all the rage for digestive health, but do they really work? Here’s what scientists are discovering about the trillions of microbes that live in our bodies and how this complex ecosystem—which some call the “second brain”—influences not just our digestion but our overall well-being.

Dysbiosis is the term for an imbalance of the gut microbiome. Its causes are elusive and different for every individual, but diet may play a role. Mullin believes that foods may have an impact on how much systemic inflammation a person experiences, and that inflammation, in turn, seems to promote the growth of fat-forming and insulin-resistant microbes, which further inflame the gut in a dysbiotic vicious circle. Symptoms of dysbiosis include bloating, gas, diarrhea, constipation, and weight gain (or difficulty losing weight).

For more useful health tips and advices about dysbiosis watch Ask Dr. Nandi on 7/9 at 18:25 on Dr.Fit!

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