But will the proposed regulation actually whittle down the city's waistline?
Researchers from NYU School of Medicine in New York City think it might. A team led by Brian Elbel, an assistant professor of medicine and health policy, reported in the New England Journal of Medicine in July that if fast-food patrons downsized their drinks from 32 ounces to 16 ounces they would cut 63 calories at each meal. And small savings, the authors suggested, add up.
Lona Sandon, a registered dietitian and assistant professor of clinical nutrition at the University of Texas Southwestern Medical Center at Dallas, agreed.
"I would first point out that the proposal is not really so dissimilar in concept from the vending-machine bans that are already in place in schools in most states," she noted, referring to rules prohibiting elementary schools from selling sweetened foods and drinks. "Mayor Bloomberg is just taking it to a different level and a much larger population."
The notion of enacting policies that help guide people to opt for a reasonable serving size and consume fewer empty calories makes sense, Sandon said. "Now, we don't have strong evidence that this is suddenly going to make New Yorkers lose 10 pounds or be less obese. That remains to be seen. But at a minimum what it does do is bring more attention to the issue of empty calories from sugar-sweetened beverages."
Supporters of the soda regulations include the American Academy of Pediatrics, Harvard Medical School Professor Walter Willett, Weight Watchers and Jenny Craig, and Bloomberg's political peers, Mayor Mike McGinn of Seattle and Philadelphia Mayor Michael Nutter, the mayor's office says.
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