Intuitively the answer should be yes. Soft drinks contain sugar and substituting the sugar for a zero calorie sweeteners should theoretically make you lose weight.
But the evidence is not that clear that artificial sweeteners help you lose weight. A recent BMJ meta-analysis reviewed the evidence and while the overall study was negative, there were some interesting points to be drawn from the data.
Read the full story here: https://montrealgazette.com/opinion/columnists/christopher-labos-do-diet…