Gut bacteria leads to obesity? Not so fast

"In recent years, researchers studying the microscopic creatures inside our bodies reported possible links between obesity and out-of-balance microbes.

But new research, which pooled data from many of those past studies, disputes the idea that extra pounds may stem from an imbalance in the microbiome.

The study, published in the journal mBio, finds no clear common characteristic of the microbiomes in the digestive systems of people who are obese compared to those of a healthy weight."