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 　　Everywhere you go, the trillions of microbes in your gut¹ go, too. And that's a comforting thought, because according to a new study, a more diverse population of intestinal² bacterias is linked to better health. The work is in the journal Nature. Danish researchers gather gut microbes from more than three hundreds obese³ or nonobese adults. the intestines⁴ a roughly one in four participants contained fewer and less diverse bacteria than average. and members from this group were more likely to be obese and suffer from gut inflammation. By looking for only a few specific bacteria, researchers could predict whether a subject violent to the low diversity group. certain species would even indicated whether an individual was slimmer over away. And this microbial makers⁵ might also serve in science for future health risks, because low diversity participants who were obese were more likely to gain additional weight over time. But low diversity gut won't necessarily doom⁶ your health. According to another study in the same journal, it's possible to increase microbial diversity by developing a decent diet. Remember, you are eating for trillions