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Berkeley’s Sugary Soda Consumption Plummeted After Tax, Study Says

Berkeley residents cut their consumption of sugar-sweetened beverages by half in the three years after passing a soda tax in 2014, according to a new UC Berkeley study.  “The (UC Berkeley) findings suggest not only that sugar taxes work, but that they keep working over time,” said Dr. Lynn Silver, a senior adviser with PHI who carried out an earlier study of the Berkeley soda tax in 2017 that found that in the year after the tax was enforced soda sales fell nearly 10 percent and bottled water sales increased by 16 percent.

Berkeley residents cut their consumption of sugar-sweetened beverages by half in the three years after passing a soda tax in 2014, according to a UC Berkeley study that is among the first to document a long-term change in drinking habits from a city-wide levy.

The study, published Thursday in the American Journal of Public Health, comes as California legislators are considering multiple statewide measures to reduce consumption of sugary beverages, which have been linked to obesity and related chronic health problems like diabetes and heart disease.

The UC Berkeley researchers found that in the first year after Berkeley’s soda tax was enacted, sweetened beverage consumption dropped 21 percent. By 2017, it had fallen 52 percent. By comparison, the study said, beverage consumption held steady in Oakland and San Francisco from 2014 to 2017. Both those cities enacted soda taxes toward the end of the study period.

Berkeley was the first U.S. city to enact a so-called soda tax, which applies to all beverages with sugar added, including sodas, fruit juices, sports and energy drinks, and sweetened coffees and teas. Other cities, in California and elsewhere in the country, followed.

An earlier study of the Berkeley soda tax found that soda sales fell about 10 percent in the year after the levy was enforced, and that sales of bottled water increased 16 percent.

“The (UC Berkeley) findings suggest not only that sugar taxes work, but that they keep working over time,” said Dr. Lynn Silver, a senior adviser with the Public Health Institute in Oakland who was involved with the earlier Berkeley study but not the new one.

“At a minimum we would hope that the decline seen in the first year would be maintained,” she said. “This suggests that not only was it maintained but it increased. That’s very significant.”

Read the full article in the San Francisco Chronicle.

Originally published by San Francisco Chronicle


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