Fueling the Obesity Epidemic? Artificially Sweetened Beverage Use and Long-term Weight Gain
by lyn
Thu Aug 07, 2008 at 12:16:04 PM PDT
The current issue of the journal Obesity has a very good, careful study linking consumption of artificial sweeteners (AS) to weight gain. Of course we've known for many years that artificial sweeteners do not contribute to weight loss - aside from tightly controlled short-term trials, where the results are mixed, the data is clear and consistent on this. But many believed these beverages were neutral, neither helping nor hurting.
More recently the balance of the research has been shifting. While some studies have shown no significant relationship between AS consumption and weight gain, an increasing number have shown a modest but consistently positive link. This latest evidence comes out of the San Antonio Heart study (data nerds can admire the pleasing graphs here):
Conclusions
We observed a classic, positive dose–response relationship between AS beverage consumption and long-term weight gain. Such an association does not, by itself, establish causality. But it raises a troubling question, which can be answered only by further research: are ASs fueling—rather than fighting—the very epidemic they were designed to block?
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Mark my words. I will never purchase a prepaid credit card. Ever.