Bacterial DNA has been found in the blood, liver and fat of people who are obese, showing bacterial fragments or even live bacteria are leaking into their bodies. This may help explain the development of type 2 diabetes
Source:
https://www.newscientist.com/article/2236592-bacteria-found-leaking-from-gut-to-body-in-people-who-are-obese/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home