dr yotam suez believes that sweeteners do have an influence on intestinal bacteria to find out he's asked the test subjects to provide stool samples. he identifies the different types of gut bacteria in the lab and the results show that the diversity decreases in most subjects. when they got to material it's just sort of just if they richly in the guts material we can detect in the potato that are probably killed by the best food there ever was going and that's looked area and they're never go up we can guess that they are using this on the fish respect today of the 2 women only one saw changes in her gut bacteria. and her blood sugar levels also deteriorated. before the test her blood sugar was normal but during the sweetener experiment the levels rose dramatically which can cause weight gain and disease more testing is needed to see whether sweeteners have this effect. but both women say they now plan to avoid them. if al gore does right why are they right if i have. to have a science question that you've always wanted and say it like we're happy to help out yes send it to us as a video