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Low-calorie sweeteners don’t help with weight loss — and may lead to gained pounds

24 Jul
Artificial and low-calorie sweeteners do not appear to help people lose weight

— and in some studies are linked with weigh gain, diabetes, and cardiovascular issues, finds a sweeping new study.

Why it matters:

U.S. consumption of artificial sweeteners has increased dramatically over the past 15 years. These days aspartame and sucralose aren’t just in diet sodas and chewing gum but English muffins and toothpaste as well. But as to their healthfulness, researchers disagree. Some studies show they help people lose weight, while others show no effect or even weight gain, along with a host of other possible health risks. Researchers wanted to look more broadly at what’s going on by doing a large-scale analysis of dozens of studies on low-calorie sweeteners.  

The nitty-gritty:

Researchers sifted through more than 11,000 studies on sweeteners, including both artificial sweeteners, like aspartame and sucralose, and natural options like stevia, to find the highest quality and longest-term research. They then performed a meta-analysis of 37 studies, dividing them into two main categories: randomized controlled trials and longitudinal studies.

In seven randomized controlled trials, the gold standard of scientific studies, people who consumed artificial sweeteners did not lose or gain more weight than controls.

Low-calorie sweeteners may not help with weight loss, but more research is needed to understand whether they cause health issues, and why.

Meanwhile, a re-analysis of the 30 longitudinal studies found that people who consumed low-calorie sweeteners on a regular basis were more susceptible to obesity, diabetes, and cardiovascular issues such as high blood pressure and stroke over time. The results were published Monday in the Canadian Medical Association Journal.

“There’s no clear evidence for benefit from the artificial sweeteners, and there is a potential that they have a negative impact, but we need more research to figure it out for sure,” said Meghan Azad, an epidemiologist at the University of Manitoba and lead author on the paper.


 Article by Catherine Caruso, July 17, 2017 by STAT

To contniue reading:

STAT https://www.statnews.com/2017/07/17/artificial-sweeteners-weight-loss/

Veronica

Veronica Cavallini is our Dietitian and Nutritionist.

www.andrea-digestive-clinic.com/index.php/about/veronica

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