Scientists are looking into a link between women, diet sodas, and cardiovascular disease that is both problematic and shocking. The artificial sweeteners in diet sodas are causing people to gain weight. There is still a lot to be learned about how artificial sweeteners affect the human body. There have been some recent studies concerning women who drink diet drinks and how they affect their hearts as well as their weight. The University of Iowa has conducted the largest study so far, to determine if there is a link between diet soda and cardiovascular disease in women. Women who drank at