According to the article:
"The "diet" in diet drinks may be a false promise for some soda lovers. True, they deliver the fizz and taste of a soda experience, without the calories. Yet, new research shows they also can leave people with increased food cravings. ...
Given the new research, should diet-soda drinkers who are trying to reach a healthy weight give up on artificially sweetened drinks?
"People with obesity might want to completely avoid diet sodas for a couple of weeks to see if this helps to reduce cravings for high-calorie foods," Schmidt suggests."
Read the full source article: Diet soda may prompt food cravings, especially in women and people with obesity - NPR