A study at NYU suggests that certain bacteria in your intestines may lead to getting arthritis. Remember, most of your cells aren’t really your cells. Most of the cells in your body are bacteria in your intestines.
It looks like one particular bacteria, Prevotella copri, are more abundant in people just developing rheumatoid arthritis. Is the bacteria bloom a cause of arthritis, or is it a symptom of a different cause?
The bacteria in our gut is different from person to person, and most of the people in this study were from New York. So further work is needed to see if this holds true on different continents.