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Policies to lower prices on fruits and vegetables may help save thousands of lives

March 01, 2016

PHOENIX, March 1, 2016 -- Lowering prices on fruits and vegetables may be more effective in reducing heart disease than mass media campaigns over 15 years, according to an updated analysis presented at the American Heart Association's Epidemiology/Lifestyle 2016 Scientific Sessions.

Dietary patterns that reduce fruit and vegetable prices by 10 percent through 2030 could lower the death rate from heart disease and stroke about 1 percent, saving about 64,000 to 69,000 lives over a 15-year period. A 30 percent price drop was modeled to be the most effective in saving lives - diminishing the death rate by almost 3 percent, saving between 191,000 and 205,000 lives over 15 years.

In comparison, researchers reported that a year-long mass media campaign promoting fruits and vegetables could reduce the cardiovascular death rate by about 0.1 percent, or 7,500 to 8,300 lives. A media campaign lasting 15 years, reduced the rate by 0.3 percent, or 22,800 to 24,800 deaths over 15 years, the study found.

Price reduction policies would affect non-Hispanic whites and blacks equally. In comparison, a mass media campaign would be about 35 percent less effective in preventing deaths from cardiovascular disease in non-Hispanic blacks.

"Poor diet is a large contributor to cardiovascular disease, which is the biggest killer in the United States. Governments must therefore implement effective dietary policies to tackle this growing burden," said Jonathan Pearson-Stuttard, lead researcher and academic clinical fellow and public health registrar at Imperial College London. "Both mass media campaigns and achieving price reductions of fruits and vegetables are important tools in achieving this."

For estimates, researchers from the Friedman School of Nutrition Science and Policy at Tufts University and the University of Liverpool created a model called the U.S. IMPACT Food Policy Model. The model includes projections of U.S. demographics and cardiovascular death rates to 2030, plus current and projected fruit and vegetable intake. The model allowed the team to simulate the effects of various policies on dietary habits, and the impact of change in those habits on heart disease and stroke risk. The researchers then compared how many people would be expected to die over 15 years if nothing changed, versus the expected numbers if each policy had been launched, to see how many lives would be saved.

"Population-level policies are powerful tools for reducing cardiovascular disease," said Martin O'Flaherty, M.D., Ph.D., senior author, University of Liverpool, United Kingdom. But the relative effectiveness of a health campaign aimed at improving people's diet compared with a financial incentive -- a strategy never tested nationally -- has been unclear."

"Strategies that increase the awareness, availability and affordability of healthy foods such as fruits and vegetables should be harnessed and adopted by the U.S.," said Dariush Mozaffarian, M.D., Dr.PH, principal investigator on the overall NHLBI grant and dean of the Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy at Tufts University. "Further, policies aimed at subsidizing fruits and vegetables could have more equitable effects upon health across race and ethnic groups. And crucially, this can be achieved quickly."
-end-
Other co-authors are Piotr Bandosz, M.D., Ph.D.; Colin D. Rehm, Ph.D., M.P.H.; Ashkan Afshin, M.D., M.P.H., M.Sc., Sc.D.; Jose Penalvo, Ph.D., M.Sc.; Laurie P. Whitsel, Ph.D.; Goodarz Danaei, M.D., D.Sc.; Thomas Gaziano, M.D., M.Sc.; Helen Bromley, Ph.D.; Ffion Lloyd-Williams, Ph.D.; and Simon Capewell, M.D., D.Sc. Author disclosures are on the manuscript.

This study is funded by the National Institutes of Health/National Heart, Lung and Blood Institute.

Related news release from the Epidemiology/Lifestyle Scientific Sessions: A ten percent price change could prevent heart disease and death (abstract P280)

Note: Actual presentation time of Abstract MPO1 is 5:30 p.m. MT / 7:30 p.m. ET, Tuesday, March. 1, 2016.

Additional Resources:

Images are available on the right column of this release link http://newsroom.heart.org/news/policies-to-lower-prices-on-fruits-and-vegetables-may-help-save-thousands-of-lives?preview=f99a993d32a0420dd46e00b6d31eb42d
American Heart Association Nutrition Center
Follow AHA/ASA news on Twitter @HeartNews.

Statements and conclusions of study authors that are presented at American Heart Association scientific meetings are solely those of the study authors and do not necessarily reflect association policy or position. The association makes no representation or warranty as to their accuracy or reliability. The association receives funding primarily from individuals; foundations and corporations (including pharmaceutical, device manufacturers and other companies) also make donations and fund specific association programs and events. The association has strict policies to prevent these relationships from influencing the science content. Revenues from pharmaceutical and device corporations are available at http://www.heart.org/corporatefunding.

American Heart Association

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